全国3240市县区及1500个监测站点的空气质量AQI接口，支持空气质量AQI数据，空气质量实况数据、空气质量未来7天预报。通过灵活的接口请求参数，你可以一次获取以上数据，也可以分别获取其中你需要的数据。
请求URL
空气质量实况 HTTP GET
- 商业版
https://api.qweather.com/v7/air/now?{请求参数} - 开发版
https://devapi.qweather.com/v7/air/now?{请求参数}
空气质量5天预报 HTTP GET
- 商业版
https://api.qweather.com/v7/air/5d?{请求参数}
请求参数
请求参数包括必选和可选参数，如不填写可选参数将使用其默认值，参数之间使用&进行分隔。
location 必选
需要查询地区的LocationID或以逗号分隔的经度/纬度坐标（十进制），LocationID可通过城市搜索服务获取。例如：location=101010100 或 location=116.41,39.92
key 必选
用户认证密钥，请参考如何获取你的KEY。支持数字签名方式认证。例如：key=12334567890ABC
gzip 可选
对API接口进行压缩，可以极大的减少API接口访问延迟，减少缓存空间，提高接口连接成功率。默认开启gzip
y使用gzip方式压缩，默认n不使用压缩
lang 可选
多语言，默认中文。具体的语言参数值请参考多语言参数
返回数据
| 参数 | 描述 | 示例值 |
|---|---|---|
| code | API状态码，具体含义请参考状态码 | 200 |
| updateTime | 当前API的最近更新时间 | 2013-12-30T01:45+08:00 |
| fxLink | 该城市的空气质量自适应网页，可嵌入网站或应用 | http://hfx.link/ae45 |
| now.pubTime | 实时空气质量数据发布时间 | 2013-12-30T01:45+08:00 |
| now.aqi | 实时空气质量指数 | 74 |
| now.level | 实时空气质量指数等级 | 2 |
| now.category | 实时空气质量指数级别 | 良 |
| now.primary | 实时空气质量的主要污染物，空气质量为优时，返回值为NA |
pm2.5 |
| now.pm10 | 实时 pm10 | 78 |
| now.pm2p5 | 实时 pm2.5 | 66 |
| now.no2 | 实时 二氧化氮 | 40 |
| now.so2 | 实时 二氧化硫 | 30 |
| now.co | 实时 一氧化碳 | 33 |
| now.o3 | 实时 臭氧 | 20 |
| station.pubTime | 监测站实时空气质量数据发布时间，仅在国控站点的城市中返回。 | 2013-12-30T01:45+08:00 |
| station.name | 监测站名称，仅在国控站点的城市中返回 | 万寿西宫 |
| station.id | 监测站ID，仅在国控站点的城市中返回 | CNA110000 |
| station.aqi | 监测站实时空气质量指数，仅在国控站点的城市中返回 | 74 |
| station.level | 监测站实时空气质量指数等级，仅在国控站点的城市中返回 | 2 |
| station.category | 监测站实时空气质量指数级别，仅在国控站点的城市中返回 | 良 |
| station.primary | 监测站实时主要污染物，仅在国控站点的城市中返回。空气质量为优时，返回值为NA |
pm25 |
| station.pm10 | 监测站实时 pm10，仅在国控站点的城市中返回 | 78 |
| station.pm2p5 | 监测站实时 pm2.5，仅在国控站点的城市中返回 | 66 |
| station.no2 | 监测站实时 二氧化氮，仅在国控站点的城市中返回 | 40 |
| station.so2 | 监测站实时 二氧化硫，仅在国控站点的城市中返回 | 30 |
| station.co | 监测站实时 一氧化碳，仅在国控站点的城市中返回 | 33 |
| station.o3 | 监测站实时 臭氧，仅在国控站点的城市中返回 | 20 |
| daily.fxDate | 空气质量逐天预报日期 | 2018-05-31 |
| daily.aqi | 空气质量逐天预报指数 | 74 |
| daily.level | 逐天预报的空气质量指数等级 | 2 |
| daily.category | 逐天预空气质量指数级别 | 良 |
| daily.primary | 空气质量逐天预报的主要污染物，空气质量为优时，返回值为NA |
pm2.5 |
| refer.sources | 原始数据来源，可能为空 | |
| refer.license | 数据许可证 |
空气质量指数等级
| 数值 | 等级 | 级别 | 级别颜色 |
|---|---|---|---|
| 0-50 | 一级 | 优 | 绿色 |
| 51-100 | 二级 | 良 | 黄色 |
| 101-150 | 三级 | 轻度污染 | 橙色 |
| 151-200 | 四级 | 中度污染 | 红色 |
| 201-300 | 五级 | 重度污染 | 紫色 |
| >300 | 六级 | 严重污染 | 褐红色 |
请求和返回示例
空气质量实况
// 北京空气质量实况
// 商业版：https://api.qweather.com/v7/air/now?location=101010100&key=xxx
// 开发版：https://devapi.qweather.com/v7/air/now?location=101010100&key=xxx
// 请将示例请求URL中的KEY更换成你自己的KEY
{
"code": "200",
"updateTime": "2020-06-21T11:44+08:00",
"fxLink": "https://www.qweather.com/air/beijing-101010100.html",
"now": {
"pubTime": "2020-06-21T11:00+08:00",
"aqi": "82",
"category": "良",
"primary": "O3",
"pm10": "82",
"pm2p5": "39",
"no2": "16",
"so2": "5",
"co": "0.7",
"o3": "185"
},
"station": [
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "万寿西宫",
"stationId": "CNA1001",
"aqi": "64",
"level": "2",
"category": "良",
"primary": "PM10",
"pm10": "77",
"pm2p5": "36",
"no2": "17",
"so2": "3",
"co": "0.5",
"o3": "166"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "定陵",
"stationId": "CNA1002",
"aqi": "103",
"level": "3",
"category": "轻度污染",
"primary": "O3",
"pm10": "95",
"pm2p5": "35",
"no2": "15",
"so2": "3",
"co": "0.7",
"o3": "206"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "东四",
"stationId": "CNA1003",
"aqi": "102",
"level": "3",
"category": "轻度污染",
"primary": "O3",
"pm10": "67",
"pm2p5": "36",
"no2": "12",
"so2": "5",
"co": "0.6",
"o3": "203"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "天坛",
"stationId": "CNA1004",
"aqi": "69",
"level": "2",
"category": "良",
"primary": "O3",
"pm10": "76",
"pm2p5": "38",
"no2": "12",
"so2": "5",
"co": "0.7",
"o3": "175"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "农展馆",
"stationId": "CNA1005",
"aqi": "73",
"level": "2",
"category": "良",
"primary": "O3",
"pm10": "77",
"pm2p5": "35",
"no2": "13",
"so2": "4",
"co": "0.6",
"o3": "178"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "官园",
"stationId": "CNA1006",
"aqi": "83",
"level": "2",
"category": "良",
"primary": "O3",
"pm10": "77",
"pm2p5": "39",
"no2": "15",
"so2": "5",
"co": "0.5",
"o3": "186"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "海淀区万柳",
"stationId": "CNA1007",
"aqi": "97",
"level": "2",
"category": "良",
"primary": "O3",
"pm10": "74",
"pm2p5": "36",
"no2": "17",
"so2": "6",
"co": "0.7",
"o3": "197"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "顺义新城",
"stationId": "CNA1008",
"aqi": "101",
"level": "3",
"category": "轻度污染",
"primary": "O3",
"pm10": "67",
"pm2p5": "32",
"no2": "18",
"so2": "5",
"co": "0.5",
"o3": "202"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "怀柔镇",
"stationId": "CNA1009",
"aqi": "99",
"level": "2",
"category": "良",
"primary": "O3",
"pm10": "102",
"pm2p5": "53",
"no2": "26",
"so2": "4",
"co": "0.7",
"o3": "199"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "昌平镇",
"stationId": "CNA1010",
"aqi": "78",
"level": "2",
"category": "良",
"primary": "NA",
"pm10": "106",
"pm2p5": "57",
"no2": "17",
"so2": "3",
"co": "0.7",
"o3": "163"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "奥体中心",
"stationId": "CNA1011",
"aqi": "67",
"level": "2",
"category": "良",
"primary": "PM10",
"pm10": "84",
"pm2p5": "30",
"no2": "15",
"so2": "3",
"co": "0.5",
"o3": "164"
},
{
"pubTime": "2020-06-21T11:00+08:00",
"stationName": "古城",
"stationId": "CNA1012",
"aqi": "67",
"level": "2",
"category": "良",
"primary": "O3",
"pm10": "72",
"pm2p5": "33",
"no2": "13",
"so2": "5",
"co": "0.6",
"o3": "173"
}
],
"refer": {
"sources": [
"cnemc"
],
"license": [
"commercial license"
]
}
}
空气质量5天预报
// 北京空气质量5天预报
// 商业版：https://api.qweather.com/v7/air/5d?location=101010100&key=xxx
// 请将示例请求URL中的KEY更换成你自己的KEY
{
"code": "200",
"updateTime": "2020-06-19T09:28+08:00",
"fxLink": "https://www.qweather.com/air/beijing-101010100.html",
"daily": [
{
"fxDate": "2020-06-19",
"aqi": "15",
"category": "优",
"primary": "NA"
},
{
"fxDate": "2020-06-20",
"aqi": "20",
"category": "优",
"primary": "NA"
},
{
"fxDate": "2020-06-21",
"aqi": "39",
"category": "优",
"primary": "NA"
},
{
"fxDate": "2020-06-22",
"aqi": "24",
"category": "优",
"primary": "NA"
},
{
"fxDate": "2020-06-23",
"aqi": "25",
"category": "优",
"primary": "NA"
}
],
"refer": {
"sources": [
"cnemc"
],
"license": [
"commercial license"
]
}
}