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Hangzhou Good

Hangzhou, Zhejiang

Updated: Nov 5, 2026, 3:00 AM

250500
Good

Air quality is satisfactory, and air pollution poses little or no risk.

Current Weather

15.7°C
Temperature
88%
Humidity
7.1
mph wind
Mainly clear
Conditions

Pollutant Breakdown

25
PM2.5
µg/m³ · Fine particles
10
PM10
µg/m³ · Coarse particles
14.7
Ozone
ppb · Ground-level ozone
4.6
NO₂
ppb · Nitrogen dioxide
3.1
SO₂
ppb · Sulfur dioxide
4.6
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Tue
11/3
116
avg
Wed
11/4
111
avg
Thu
11/5
124
avg
Fri
11/6
149
avg
Sat
11/7
89
avg
Sun
11/8
85
avg
Mon
11/9
83
avg

Health Guidance

✅
General population: No restrictions. Enjoy outdoor activities.
✅
Sensitive groups: Air quality is good. Normal activities are fine.
💨
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 25, which is classified as "Good". Air quality is satisfactory, and air pollution poses little or no risk.

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