Toggle navigation
Places
CAQI (Europe)
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
Yunnan
Honghezhou
Kaiyuan
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Kaiyuan
Honghezhou, Yunnan
2026-08-04 10:00
CAQI (Europe)
Very Low
Pollutants
O3
μg/m³
32.4
PM2.5
μg/m³
5.6
PM10
μg/m³
7.2
SO2
μg/m³
3
CO
μg/m³
257.4
NO2
μg/m³
1.3
Weather
℃
℃
℉
24℃
81%
2 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
O3
PM2.5
PM10
SO2
CO
NO2
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
Honghezhou
AQI 28
Yuxi
AQI 40
Wenshanzhou
AQI 25
Kunming
AQI 45
Qujing
AQI 42
Chuxiongzhou
AQI 34
Pu'er
AQI 17
Phôngsali
AQI 4
Xishuangbannazhou
AQI 17
Lincang
AQI 21
Baise
AQI 24
Air Matters © 2026