Air Quality Daily Forecast

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.

Endpoint#

GET /airquality/v1/daily/{latitude}/{longitude}

Parameters#

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

lang Multi-language setting, please see Language to find out how our multi-language works and how to set up.

Request example#

curl -X GET --compressed \
-H 'Authorization: Bearer your_token' \
'https://your-api-host/airquality/v1/daily/39.92/116.41?lang=en'

Replace your_token and your_api_host with your JWT Authentication and API Host

Try it

Response#

{
  "metadata": {
    "tag": "4b78230843e636a6f910631d94878da73aa980a66abfcf53d35f9c06493a292d",
    "attributions": [
      "https://developer.qweather.com/attribution.html"
    ]
  },
  "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 object Metadata for this response
- tag string Unique tag for this data
- attributions array Data attribution list that must be displayed with the current data
days array Daily AQI list
- forecastStartTime date-time Forecast start time in ISO 8601 format
- forecastEndTime date-time Forecast end time in ISO 8601 format
- indexes array Air quality index list
  - code string Code of air quality index
  - name string Name of air quality index
  - aqi number Value of air quality index
  - aqiDisplay string Display name of the AQI value
  - level string Level of air quality index
  - category string Category of air quality index
  - color object RGBA color for the air quality index
    - red number Red component in RGBA, [0, 255]
    - green number Green component in RGBA, [0, 255]
    - blue number Blue component in RGBA, [0, 255]
    - alpha number Alpha (opacity) in RGBA, [0, 1]
  - primaryPollutant object Primary pollutant. May be NULL
    - code string Code of primary pollutan
    - name string Name of primary pollutant
    - fullName string Full name of primary pollutant
  - health object AQI health information
    - effect string Health effects of air quality, maybe NULL
    - advice object Health advice, may be NULL
      - generalPopulation string Health advice for general population, maybe NULL
      - sensitivePopulation string Health advice for sensitive population, maybe NULL
- pollutants array Pollutant list, may be NULL
  - code string Code of pollutant
  - name string Name of pollutant
  - fullName string Full name of pollutant
  - concentration object Concentration of pollutant
    - value number Value
    - unit string Unit
  - subIndexes array Sub-index list, maybe NULL
    - code string Code of sub-index
    - aqi number Sub-index value for pollutant
    - aqiDisplay string Sub-index for display