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Chengdu Unhealthy for Sensitive Groups

Chengdu, Sichuan

Updated: Nov 5, 2026, 5:00 AM

1340500
Unhealthy for Sensitive Groups

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

Current Weather

13.5°C
Temperature
90%
Humidity
0.6
mph wind
Clear sky
Conditions

Pollutant Breakdown

134
PM2.5
µg/m³ · Fine particles
45
PM10
µg/m³ · Coarse particles
6.5
Ozone
ppb · Ground-level ozone
17.9
NO₂
ppb · Nitrogen dioxide
5.1
SO₂
ppb · Sulfur dioxide
7.3
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Tue
11/3
138
avg
Wed
11/4
121
avg
Thu
11/5
134
avg
Fri
11/6
148
avg
Sat
11/7
149
avg
Sun
11/8
82
avg
Mon
11/9
68
avg

Health Guidance

⚠️
Sensitive groups (asthma, heart disease, elderly, children): Reduce prolonged or heavy outdoor exertion.
✅
General population: Unusually sensitive individuals should watch for symptoms.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: Sichuan Province Environmental Protection Agency (四川省环保重点城市环境空气质量实时监测结果), Chengdu Environmental Protection Agency (成都市环境监测中心站_成都市环境监测中心站), China National Urban air quality real-time publishing platform (全国城市空气质量实时发布平台), U.S. Consulate Chengdu Air Quality Monitor, World Air Quality Index Project

Is the air safe in Chengdu today?

The current Air Quality Index (AQI) in Chengdu is 134, which is classified as "Unhealthy for Sensitive Groups". Members of sensitive groups may experience health effects. The general public is less likely to be affected.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Chengdu, Sichuan is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous