Air Quality Hourly Forecast (new)
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 example39.92 -
longitude(required)The longitude of the desired location. Decimal format, up to 2 decimal places. For example116.41
Query Parameters
-
key(required)API authentication key, please refer to How To Get Your Key. Support Signature Authentication. Example:key=12334567890ABC -
langMulti-language setting, please see Language to find out how our multi-language works and how to set up.
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": [
{
"code": "qaqi",
"aqi": 0.2,
"aqiDisplay": "0.2"
}
]
},
{
"code": "o3",
"name": "O3",
"fullName": "Ozone",
"concentration": {
"value": 25.89,
"unit": "μg/m3"
},
"subIndexes": [
{
"code": "qaqi",
"aqi": 0.6,
"aqiDisplay": "0.6"
}
]
},
{
"code": "so2",
"name": "SO2",
"fullName": "Sulfur dioxide",
"concentration": {
"value": 32.27,
"unit": "μg/m3"
},
"subIndexes": [
{
"code": "qaqi",
"aqi": 0.7,
"aqiDisplay": "0.7"
}
]
}
]
},
{
"forecastTime": "2023-05-17T10:00Z",
"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": "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": 16.63,
"unit": "μg/m3"
},
"subIndexes": [
{
"code": "qaqi",
"aqi": 1.4,
"aqiDisplay": "1.4"
}
]
},
{
"code": "pm10",
"name": "PM 10",
"fullName": "Inhalable particulate matter (<10µm)",
"concentration": {
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},
{
"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.tagUnique tag for this data -
hours.forecastTimeForecast time, ISO8601 format -
hours.indexes.codeCode of air quality index -
hours.indexes.nameName of air quality index -
hours.indexes.aqiValue of air quality index -
hours.indexes.aqiDisplayDisplay name of the AQI value -
hours.indexes.levelLevel of air quality index -
hours.indexes.categoryCategory of air quality index -
hours.indexes.color.redRed in RGBA color for AQI -
hours.indexes.color.greenGreen in RGBA color for AQI -
hours.indexes.color.blueBlue in RGBA color for AQI -
hours.indexes.color.alphaAlpha in RGBA color for AQI -
hours.indexes.primaryPollutant.codeThe primary pollutant code, maybe NULL. -
hours.indexes.primaryPollutant.nameName of primary pollutant, maybe NULL. -
hours.indexes.primaryPollutant.fullNameFull name of primary pollutant, maybe NULL. -
hours.indexes.health.effectHealth effects of air quality, maybe NULL. -
hours.indexes.health.advice.generalPopulationHealth advice for general population, maybe NULL. -
hours.indexes.health.advice.sensitivePopulationHealth advice for sensitive population, maybe NULL. -
hours.pollutants.codeThe pollutant code. -
hours.pollutants.nameName of pollutant. -
hours.pollutants.fullNameFull name of pollutant. -
hours.pollutants.concentration.valueConcentration values of pollutants. -
hours.pollutants.concentration.unitUnits for concentration values of pollutants. -
hours.pollutants.subIndexes.codeCode of air quality sub-index, maybe NULL. -
hours.pollutants.subIndexes.aqiSub-index value for pollutant, maybe NULL. -
hours.pollutants.subIndexes.aqiDisplaySub-index for display, maybe NULL.