Edit

Air Quality Daily Forecast (new)

Platform: API

Air quality (AQI) dailay forecasts, pollutants, and health advice for the next 3 days.

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/daily/{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/daily/39.90/116.40?key=YOUR_KEY'

Response

The response is in JSON format and is Gzip compressed.

{
  "metadata": {
    "tag": "4b78230843e636a6f910631d94878da73aa980a66abfcf53d35f9c06493a292d"
  },
  "days": [
    {
      "forecastStartTime": "2023-02-14T23:00Z",
      "forecastEndTime": "2023-02-15T23:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.0,
          "aqiDisplay": "1.0",
          "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": "eu-eea",
          "name": "EAQI (EU)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "2",
          "category": "Fair",
          "color": {
            "red": 80,
            "green": 204,
            "blue": 170,
            "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": 11.88,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 2,
              "aqiDisplay": "2"
            },
            {
              "code": "qaqi",
              "aqi": 1,
              "aqiDisplay": "1"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 2.38,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 4.1,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 36.33,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.8,
              "aqiDisplay": "0.8"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 32.13,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.7,
              "aqiDisplay": "0.7"
            }
          ]
        }
      ]
    },
    {
      "forecastStartTime": "2023-02-15T23:00Z",
      "forecastEndTime": "2023-02-16T23:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 1.1,
          "aqiDisplay": "1.1",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "o3",
            "name": "O3",
            "fullName": "Ozone"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "eu-eea",
          "name": "EAQI (EU)",
          "aqi": 2,
          "aqiDisplay": "2",
          "level": "2",
          "category": "Fair",
          "color": {
            "red": 80,
            "green": 204,
            "blue": 170,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "o3",
            "name": "O3",
            "fullName": "Ozone"
          },
          "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": 9.13,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.8,
              "aqiDisplay": "0.8"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 1.08,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 2.34,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 53.33,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 2,
              "aqiDisplay": "2"
            },
            {
              "code": "qaqi",
              "aqi": 1.1,
              "aqiDisplay": "1.1"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 22.17,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.5,
              "aqiDisplay": "0.5"
            }
          ]
        }
      ]
    },
    {
      "forecastStartTime": "2023-02-16T23:00Z",
      "forecastEndTime": "2023-02-17T23:00Z",
      "indexes": [
        {
          "code": "qaqi",
          "name": "QAQI",
          "aqi": 0.9,
          "aqiDisplay": "0.9",
          "level": "1",
          "category": "Excellent",
          "color": {
            "red": 195,
            "green": 217,
            "blue": 78,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "o3",
            "name": "O3",
            "fullName": "Ozone"
          },
          "health": {
            "effect": "No health implications.",
            "advice": {
              "generalPopulation": "Enjoy your outdoor activities.",
              "sensitivePopulation": "Enjoy your outdoor activities."
            }
          }
        },
        {
          "code": "eu-eea",
          "name": "EAQI (EU)",
          "aqi": 1,
          "aqiDisplay": "1",
          "level": "1",
          "category": "Good",
          "color": {
            "red": 80,
            "green": 240,
            "blue": 230,
            "alpha": 1
          },
          "primaryPollutant": {
            "code": "o3",
            "name": "O3",
            "fullName": "Ozone"
          },
          "health": {
            "effect": null,
            "advice": {
              "generalPopulation": "The air quality is good. Enjoy your usual outdoor activities.",
              "sensitivePopulation": "The air quality is good. Enjoy your usual outdoor activities."
            }
          }
        }
      ],
      "pollutants": [
        {
          "code": "pm2p5",
          "name": "PM 2.5",
          "fullName": "Fine particulate matter (<2.5µm)",
          "concentration": {
            "value": 8.5,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.7,
              "aqiDisplay": "0.7"
            }
          ]
        },
        {
          "code": "pm10",
          "name": "PM 10",
          "fullName": "Inhalable particulate matter (<10µm)",
          "concentration": {
            "value": 1.54,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "no2",
          "name": "NO2",
          "fullName": "Nitrogen dioxide",
          "concentration": {
            "value": 2.77,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.1,
              "aqiDisplay": "0.1"
            }
          ]
        },
        {
          "code": "o3",
          "name": "O3",
          "fullName": "Ozone",
          "concentration": {
            "value": 43.86,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.9,
              "aqiDisplay": "0.9"
            }
          ]
        },
        {
          "code": "so2",
          "name": "SO2",
          "fullName": "Sulfur dioxide",
          "concentration": {
            "value": 20.94,
            "unit": "μg/m3"
          },
          "subIndexes": [
            {
              "code": "eu-eea",
              "aqi": 1,
              "aqiDisplay": "1"
            },
            {
              "code": "qaqi",
              "aqi": 0.5,
              "aqiDisplay": "0.5"
            }
          ]
        }
      ]
    }
  ]
}
  • metadata.tag Unique tag for this data
  • dailyForecasts.forecastStartTime The start time of the forecast data, ISO8601 format
  • dailyForecasts.forecastEndTime The end time of the forecast data, ISO8601 format
  • dailyForecasts.indexes.code Code of air quality index
  • dailyForecasts.indexes.name Name of air quality index
  • dailyForecasts.indexes.aqi Value of air quality index
  • dailyForecasts.indexes.aqiDisplay Display name of the AQI value
  • dailyForecasts.indexes.level Level of air quality index
  • dailyForecasts.indexes.category Category of air quality index
  • dailyForecasts.indexes.color.red Red in RGBA color for AQI
  • dailyForecasts.indexes.color.green Green in RGBA color for AQI
  • dailyForecasts.indexes.color.blue Blue in RGBA color for AQI
  • dailyForecasts.indexes.color.alpha Alpha in RGBA color for AQI
  • dailyForecasts.indexes.primaryPollutant.code The primary pollutant code, maybe NULL.
  • dailyForecasts.indexes.primaryPollutant.name Name of primary pollutant, maybe NULL.
  • dailyForecasts.indexes.primaryPollutant.fullName Full name of primary pollutant, maybe NULL.
  • dailyForecasts.indexes.health.effect Health effects of air quality, maybe NULL.
  • dailyForecasts.indexes.health.advice.generalPopulation Health advice for general population, maybe NULL.
  • dailyForecasts.indexes.health.advice.sensitivePopulation Health advice for sensitive population, maybe NULL.
  • dailyForecasts.pollutants.code The pollutant code.
  • dailyForecasts.pollutants.name Name of pollutant.
  • dailyForecasts.pollutants.fullName Full name of pollutant.
  • dailyForecasts.pollutants.concentration.value Concentration values of pollutants.
  • dailyForecasts.pollutants.concentration.unit Units for concentration values of pollutants.
  • dailyForecasts.pollutants.subIndexes.code Code of air quality sub-index, maybe NULL.
  • dailyForecasts.pollutants.subIndexes.aqi Sub-index value for pollutant, maybe NULL.
  • dailyForecasts.pollutants.subIndexes.aqiDisplay Sub-index for display, maybe NULL.