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Hangzhou Moderate

Hangzhou, Zhejiang

Updated: Mar 14, 2026, 12:00 AM

990500
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

7.5°C
Temperature
70%
Humidity
1.4
mph wind
Mainly clear
Conditions

Pollutant Breakdown

99
PM2.5
µg/m³ · Fine particles
46
PM10
µg/m³ · Coarse particles
20.4
Ozone
ppb · Ground-level ozone
14.7
NO₂
ppb · Nitrogen dioxide
3.6
SO₂
ppb · Sulfur dioxide
3.7
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Thu
3/12
94
avg
Fri
3/13
110
avg
Sat
3/14
101
avg
Sun
3/15
116
avg
Mon
3/16
107
avg
Tue
3/17
134
avg
Wed
3/18
223
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: Zhejiang Environmental Protection Bureau (浙江省环保厅门户), World Air Quality Index Project

Is the air safe in Hangzhou today?

The current Air Quality Index (AQI) in Hangzhou is 99, 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 Hangzhou, Zhejiang 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