Hangzhou air quality · Zhejiang, China · 杭州市
Cooking smoke at home can easily exceed outdoor air at this level
China AQI 93 (Good) in Hangzhou, from 12 CNEMC monitoring stations. On the US scale that is 152 (Unhealthy). Main pollutant: PM2.5.
Updated
Pollutants in Hangzhou
- PM2.5 · µg/m³56.53.8× WHO limit
- PM10 · µg/m³75.71.7× WHO limit
- NO₂ · µg/m³48.01.9× WHO limit
- O₃ · µg/m³14.7
- SO₂ · µg/m³7.3Under WHO limit
- CO · mg/m³1.09
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Hangzhou right now?
Air quality is acceptable, though a few unusually sensitive people may be affected.
Walking and commuting
Go aheadFine for everyone.
Running and jogging
Take careFine for most; unusually sensitive people should ease the pace.
Cycling
Go aheadFine for everyone.
Children playing outside
Go aheadNo limits for most children.
Older adults and heart or lung conditions
Take careWatch for symptoms such as coughing or breathlessness.
Open windows
Go aheadFine to ventilate.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededOptional.
Based on the US EPA Air Quality Guide, applied to the current China AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 151–200 means for your health →
Hangzhou air quality history
Daily average, 35 days- 41average daily China AQI over 35 days
- 76worst day, 19 October
- 18cleanest day, 3 October
- 0days at Moderately Polluted or worse
The last 7 days averaged 53, about the same as the week before (52). 25 of the last 35 days were Excellent.
Nearby cities
China rankingHangzhou air quality: common questions
What is the AQI in Hangzhou right now?
The China AQI in Hangzhou is 93 (Good), based on 12 monitoring stations. The main pollutant is PM2.5. On the US AQI scale the same air reads 152 (Unhealthy).
Is it safe to go outside in Hangzhou today?
Fine for most people. Air quality is acceptable, though a few unusually sensitive people may be affected. For runners: Fine for most; unusually sensitive people should ease the pace.
How has air quality in Hangzhou been recently?
Over the last 35 days with data, Hangzhou averaged China AQI 41. The worst day was 19 October at 76; the cleanest was 3 October at 18. 0 days were at Moderately Polluted or worse.
How does Hangzhou's PM2.5 compare with the WHO guideline?
PM2.5 is 57 µg/m³, about 3.8 times the World Health Organization's 24-hour guideline of 15 µg/m³.
Where does Hangzhou's air quality data come from?
From China National Environmental Monitoring Centre (CNEMC), using 12 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: China National Environmental Monitoring Centre (CNEMC). Readings are published by the monitoring agency and may be revised.