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Lanzhou Unhealthy for Sensitive Groups

Lanzhou, Gansu

Updated: May 11, 2026, 5:00 PM

1120500
Unhealthy for Sensitive Groups

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

Current Weather

18.6°C
Temperature
28%
Humidity
2.5
mph wind
Overcast
Conditions

Pollutant Breakdown

112
PM2.5
µg/m³ · Fine particles
50
PM10
µg/m³ · Coarse particles
60.4
Ozone
ppb · Ground-level ozone
5.1
NO₂
ppb · Nitrogen dioxide
2.1
SO₂
ppb · Sulfur dioxide
4.6
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Sun
5/10
134
avg
Mon
5/11
107
avg
Tue
5/12
68
avg
Wed
5/13
77
avg
Thu
5/14
244
avg
Fri
5/15
252
avg
Sat
5/16
252
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: Gangsu Environmental Protection Agency (甘肃省生态环境厅), China National Urban air quality real-time publishing platform (全国城市空气质量实时发布平台), World Air Quality Index Project

Is the air safe in Lanzhou today?

The current Air Quality Index (AQI) in Lanzhou is 112, 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 Lanzhou, Gansu 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