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Hefei Moderate

Hefei, Anhui

Updated: Nov 5, 2026, 3:00 AM

530500
Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Current Weather

13.5°C
Temperature
85%
Humidity
7.8
mph wind
Clear sky
Conditions

Pollutant Breakdown

53
PM2.5
µg/m³ · Fine particles
20
PM10
µg/m³ · Coarse particles
22.4
Ozone
ppb · Ground-level ozone
2.8
NO₂
ppb · Nitrogen dioxide
2.1
SO₂
ppb · Sulfur dioxide
2.8
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Tue
11/3
135
avg
Wed
11/4
149
avg
Thu
11/5
133
avg
Fri
11/6
148
avg
Sat
11/7
86
avg
Sun
11/8
101
avg
Mon
11/9
86
avg

Health Guidance

⚠️
Unusually sensitive people: Consider reducing prolonged outdoor exertion.
✅
General population: No restrictions for most people.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: Anhui Environmental Protection Agency (安徽省生态环境厅), World Air Quality Index Project

Is the air safe in Hefei today?

The current Air Quality Index (AQI) in Hefei is 53, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

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 Hefei, Anhui 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