Real-time Air Quality
Real-time Air Quality API for Chinese cities and 1,700 monitoring stations, including AQI, air quality levels, primary pollutants, PM10, PM2.5, ozone, and nitrogen dioxide , sulfur dioxide, carbon monoxide values.
Request URL
-
Pro
https://api.qweather.com/v7/air/now?[params] -
Dev
https://devapi.qweather.com/v7/air/now?[params]
Request Parameters
All parameters are separated by &. If no optional parameters are set, the default value will be used.
key
API authentication key, please refer to How To Get Your Key. Support Signature Authentication.
For example: key=12334567890ABC
location
The location to be queried, support LocationID or comma-separated longitude and latitude (decimal, up to 2 decimal places), LocationID can be obtained by GeoAPI.
For example: location=101010100 or location=116.41,39.92
lang
Multi-language setting, if data does not match the language you set, it will return results in English or its native language.
zhChinese, defaultenEnglishfrFrenchesSpanishjaJapanesekoKorean- See more language code
Response
// Beijing real-time air quality
// Business API: https://api.qweather.com/v7/air/now?location=101010100&lang=en&key=YOUR_KEY
// Dev API: https://devapi.qweather.com/v7/air/now?location=101010100&lang=en&key=YOUR_KEY
{
"code": "200",
"updateTime": "2021-02-06T16:33+08:00",
"fxLink": "http://hfx.link/2ax4",
"now": {
"pubTime": "2021-02-06T16:00+08:00",
"aqi": "83",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "115",
"pm2p5": "28",
"no2": "9",
"so2": "3",
"co": "0.2",
"o3": "88"
},
"station": [
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "密云镇",
"id": "CNA3697",
"aqi": "63",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "75",
"pm2p5": "18",
"no2": "8",
"so2": "3",
"co": "0.2",
"o3": "84"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "丰台小屯",
"id": "CNA3696",
"aqi": "97",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "143",
"pm2p5": "33",
"no2": "12",
"so2": "2",
"co": "0.2",
"o3": "90"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "怀柔新城",
"id": "CNA3695",
"aqi": "73",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "95",
"pm2p5": "24",
"no2": "2",
"so2": "2",
"co": "0.3",
"o3": "92"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "延庆石河营",
"id": "CNA3694",
"aqi": "91",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "131",
"pm2p5": "34",
"no2": "6",
"so2": "7",
"co": "0.4",
"o3": "94"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "大兴旧宫",
"id": "CNA3675",
"aqi": "96",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "142",
"pm2p5": "28",
"no2": "7",
"so2": "1",
"co": "0.3",
"o3": "88"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "房山燕山",
"id": "CNA3674",
"aqi": "96",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "141",
"pm2p5": "29",
"no2": "11",
"so2": "2",
"co": "0.1",
"o3": "92"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "通州东关",
"id": "CNA3673",
"aqi": "81",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "112",
"pm2p5": "20",
"no2": "15",
"so2": "2",
"co": "0.1",
"o3": "77"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "丰台云岗",
"id": "CNA3672",
"aqi": "97",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "144",
"pm2p5": "33",
"no2": "7",
"so2": "2",
"co": "0.3",
"o3": "98"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "门头沟三家店",
"id": "CNA3671",
"aqi": "94",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "138",
"pm2p5": "32",
"no2": "12",
"so2": "2",
"co": "0.3",
"o3": "89"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "密云新城",
"id": "CNA3418",
"aqi": "64",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "78",
"pm2p5": "15",
"no2": "11",
"so2": "3",
"co": "0.2",
"o3": "82"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "平谷新城",
"id": "CNA3417",
"aqi": "54",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "58",
"pm2p5": "16",
"no2": "8",
"so2": "2",
"co": "0.1",
"o3": "91"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "延庆夏都",
"id": "CNA3281",
"aqi": "95",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "140",
"pm2p5": "34",
"no2": "6",
"so2": "7",
"co": "0.4",
"o3": "93"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "古城",
"id": "CNA1012",
"aqi": "90",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "129",
"pm2p5": "33",
"no2": "8",
"so2": "1",
"co": "0.3",
"o3": "85"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "奥体中心",
"id": "CNA1011",
"aqi": "76",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "102",
"pm2p5": "33",
"no2": "14",
"so2": "1",
"co": "0.0",
"o3": "88"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "昌平镇",
"id": "CNA1010",
"aqi": "95",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "139",
"pm2p5": "38",
"no2": "9",
"so2": "7",
"co": "0.3",
"o3": "85"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "怀柔镇",
"id": "CNA1009",
"aqi": "71",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "92",
"pm2p5": "25",
"no2": "6",
"so2": "2",
"co": "0.3",
"o3": "92"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "顺义新城",
"id": "CNA1008",
"aqi": "82",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "114",
"pm2p5": "37",
"no2": "8",
"so2": "3",
"co": "0.1",
"o3": "85"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "海淀区万柳",
"id": "CNA1007",
"aqi": "80",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "110",
"pm2p5": "32",
"no2": "19",
"so2": "2",
"co": "0.3",
"o3": "81"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "官园",
"id": "CNA1006",
"aqi": "84",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "117",
"pm2p5": "27",
"no2": "10",
"so2": "1",
"co": "0.2",
"o3": "89"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "农展馆",
"id": "CNA1005",
"aqi": "83",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "115",
"pm2p5": "24",
"no2": "8",
"so2": "4",
"co": "0.3",
"o3": "95"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "天坛",
"id": "CNA1004",
"aqi": "78",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "106",
"pm2p5": "28",
"no2": "10",
"so2": "2",
"co": "0.3",
"o3": "91"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "东四",
"id": "CNA1003",
"aqi": "82",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "114",
"pm2p5": "29",
"no2": "11",
"so2": "3",
"co": "0.2",
"o3": "83"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "定陵",
"id": "CNA1002",
"aqi": "92",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "133",
"pm2p5": "41",
"no2": "1",
"so2": "4",
"co": "0.3",
"o3": "89"
},
{
"pubTime": "2021-02-06T16:00+08:00",
"name": "万寿西宫",
"id": "CNA1001",
"aqi": "81",
"level": "2",
"category": "Good",
"primary": "PM10",
"pm10": "112",
"pm2p5": "27",
"no2": "10",
"so2": "2",
"co": "0.3",
"o3": "84"
}
],
"refer": {
"sources": [
"cnemc"
],
"license": [
"commercial license"
]
}
}
station, the air data from monitoring station are only response for cities in POI-Air-Monitoring-Station-List.
| Parameters | Description |
|---|---|
code |
API status code, please refer to Status Code |
updateTime |
|
fxLink |
Responsive web page of this data, for embedded in website or APP |
now.pubTime |
The data release time from the data source |
now.aqi |
Air Quality Index |
now.level |
AQI level |
now.category |
AQI category |
now.primary |
The main pollutant. If |
now.pm10 |
PM10 |
now.pm2p5 |
PM2.5 |
now.no2 |
Nitrogen dioxide |
now.so2 |
Sulfur dioxide |
now.co |
Carbon monoxide |
now.o3 |
Ozone |
station.name |
The name of the monitoring station |
station.id |
ID of the monitoring station |
station.pubTime |
The data release time from the data source |
station.aqi |
Air Quality Index |
station.level |
AQI level |
station.category |
AQI category |
station.primary |
The main pollutant. If |
station.pm10 |
PM10 |
station.pm2p5 |
PM2.5 |
station.no2 |
Nitrogen dioxide |
station.so2 |
Sulfur dioxide |
station.co |
Carbon monoxide |
station.o3 |
Ozone |
refer.sources |
Data source and other statements, may be null |
refer.license |
Data license, may be null |
Air Quality Index Level
See Air Quality Info.