Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
Asia
China Mainland
Beijing
Huairou
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Huairou
Beijing, Beijing
2025-12-05 17:27
AQI (US)
Unhealthy for Sensitive Groups
Pollutants
PM2.5
μg/m³
49
PM10
μg/m³
70
NO2
μg/m³
33
O3
μg/m³
18
CO
μg/m³
600
SO2
μg/m³
5
Weather
℃
℃
℉
-5℃
37%
5 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
PM10
NO2
O3
CO
SO2
Places included
怀柔新城
AQI 134
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Beijing
AQI 137
Langfang
AQI 193
Chengde
AQI 137
Tianjin
AQI 180
Tangshan
AQI 167
Zhangjiakou
AQI 102
Baoding
AQI 173
Cangzhou
AQI 178
Qinhuangdao
AQI 119
Datong
AQI 81
Chifeng
AQI 86
Air Matters © 2025