Air Quality Hourly Forecast (new)

Platform: API

The air quality hourly forecast API provides air quality forecast data for each hour of the next 24 hours, including AQI, pollutants concentration, sub-indexes, health effects and advice.

We recommend to read Air Quality Info to learn about the AQIs, pollutants, supported regions and more.

Request URL

https://api.qweather.com/airquality/v1/hourly/{latitude}/{longitude}?{QueryParams}

For Free subscription, change the API Host to devapi.qweather.com. See data available for Free subscription.

Path Parameters

  • latitude(required)The latitude of the desired location. Decimal format, up to 2 decimal places. For example 39.92
  • longitude(required)The longitude of the desired location. Decimal format, up to 2 decimal places. For example 116.41

Query Parameters

Request Example

curl -L -X GET --compressed 'https://api.qweather.com/airquality/v1/hourly/39.90/116.40?key=YOUR_KEY'

Response

The response is in JSON format and is Gzip compressed.

{
  "metadata": {
    "tag": "b1d735802464094bf274fd2165309ddfdab22cec2fa0e644edfcd7f803c2aaad"
  },
  "hours": [
    {
      "forecastTime": "2023-05-17T03:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.4,
          "aqiDisplay": "1.4",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 17.01,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.4,
              "aqiDisplay": "1.4"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.88,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 4.05,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 6.55,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 49.05,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1,
              "aqiDisplay": "1"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-17T04:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.4,
          "aqiDisplay": "1.4",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 16.89,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.4,
              "aqiDisplay": "1.4"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.84,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 3.91,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 6.21,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 47.75,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1,
              "aqiDisplay": "1"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-17T05:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.4,
          "aqiDisplay": "1.4",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 16.56,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.4,
              "aqiDisplay": "1.4"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.88,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 4.57,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 5.62,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 46.13,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1,
              "aqiDisplay": "1"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-17T06:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.4,
          "aqiDisplay": "1.4",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 16.85,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.4,
              "aqiDisplay": "1.4"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 3.03,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 5.79,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 3.68,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 45.32,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1,
              "aqiDisplay": "1"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-17T07:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.5,
          "aqiDisplay": "1.5",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 17.75,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.5,
              "aqiDisplay": "1.5"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 3.06,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 7.12,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 2.66,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 48.14,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1,
              "aqiDisplay": "1"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-17T08:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.7,
          "aqiDisplay": "1.7",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 20.19,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.7,
              "aqiDisplay": "1.7"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.94,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 8.14,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 7.61,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 39.06,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.8,
              "aqiDisplay": "0.8"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-17T09:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.6,
          "aqiDisplay": "1.6",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 19.98,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.6,
              "aqiDisplay": "1.6"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.85,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.2,
              "aqiDisplay": "0.2"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 6.73,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
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          "code": "o3",
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          },
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            {
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        },
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            "value": 32.27,
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        }
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    {
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          }
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      ],
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          "code": "pm2p5",
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            "value": 2.92,
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              "code": "qaqi",
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        },
        {
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            "unit": "μg/m3"
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            {
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            "value": 40.21,
            "unit": "μg/m3"
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              "code": "qaqi",
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            "unit": "μg/m3"
          },
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    {
      "forecastTime": "2023-05-17T11:00Z",
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          }
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      ],
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        {
          "code": "pm2p5",
          "name": "PM 2.5",
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            "unit": "μg/m3"
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              "code": "qaqi",
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            "unit": "μg/m3"
          },
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            {
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              "aqi": 0.2,
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        },
        {
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            "value": 3.59,
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              "code": "qaqi",
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        },
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          "code": "o3",
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          },
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        {
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          },
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    {
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        {
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            }
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        {
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            "fullName": "Ozone"
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            "effect": null,
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          }
        }
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          "code": "pm2p5",
          "name": "PM 2.5",
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            "value": 3.45,
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        },
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            "value": 2.79,
            "unit": "μg/m3"
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      "forecastTime": "2023-05-17T13:00Z",
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        {
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          }
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            "value": 3.37,
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            "unit": "μg/m3"
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      "forecastTime": "2023-05-17T14:00Z",
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            "unit": "μg/m3"
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          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 38.28,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.8,
              "aqiDisplay": "0.8"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-18T00:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.2,
          "aqiDisplay": "1.2",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 14.71,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.2,
              "aqiDisplay": "1.2"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.29,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 3.23,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 30.46,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.7,
              "aqiDisplay": "0.7"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 38.07,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.8,
              "aqiDisplay": "0.8"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-18T01:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.2,
          "aqiDisplay": "1.2",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 14.7,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.2,
              "aqiDisplay": "1.2"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.16,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 2.76,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 29.04,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.6,
              "aqiDisplay": "0.6"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 35.58,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.8,
              "aqiDisplay": "0.8"
            }
          ]
        }
      ]
    },
    {
      "forecastTime": "2023-05-18T02:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.2,
          "aqiDisplay": "1.2",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "gb-defra",
          "name": "DAQI (GB)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "1",
          "category": "Low",
          "color": {
            "red": 49,
            "green": 255,
            "blue": 0,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "pm2p5",
            "name": "PM 2.5",
            "fullName": "Fine particulate matter (<2.5µm)"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "Enjoy your usual outdoor activities.",
              "sensitivePopulation": "Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 14.18,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 1.2,
              "aqiDisplay": "1.2"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 1.95,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 2.3,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 33.35,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.7,
              "aqiDisplay": "0.7"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 30.77,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "qaqi",
              "aqi": 0.7,
              "aqiDisplay": "0.7"
            }
          ]
        }
      ]
    }
  ]
}
  • metadata.tag Unique tag for this data
  • hours.forecastTime Forecast time, ISO8601 format
  • hours.indexes.code Code of air quality index
  • hours.indexes.name Name of air quality index
  • hours.indexes.aqi Value of air quality index
  • hours.indexes.aqiDisplay Display name of the AQI value
  • hours.indexes.level Level of air quality index
  • hours.indexes.category Category of air quality index
  • hours.indexes.color.red Red in RGBA color for AQI
  • hours.indexes.color.green Green in RGBA color for AQI
  • hours.indexes.color.blue Blue in RGBA color for AQI
  • hours.indexes.color.alpha Alpha in RGBA color for AQI
  • hours.indexes.primaryPollutant.code The primary pollutant code, maybe NULL.
  • hours.indexes.primaryPollutant.name Name of primary pollutant, maybe NULL.
  • hours.indexes.primaryPollutant.fullName Full name of primary pollutant, maybe NULL.
  • hours.indexes.health.effect Health effects of air quality, maybe NULL.
  • hours.indexes.health.advice.generalPopulation Health advice for general population, maybe NULL.
  • hours.indexes.health.advice.sensitivePopulation Health advice for sensitive population, maybe NULL.
  • hours.pollutants.code The pollutant code.
  • hours.pollutants.name Name of pollutant.
  • hours.pollutants.fullName Full name of pollutant.
  • hours.pollutants.concentration.value Concentration values of pollutants.
  • hours.pollutants.concentration.unit Units for concentration values of pollutants.
  • hours.pollutants.subIndexes.code Code of air quality sub-index, maybe NULL.
  • hours.pollutants.subIndexes.aqi Sub-index value for pollutant, maybe NULL.
  • hours.pollutants.subIndexes.aqiDisplay Sub-index for display, maybe NULL.