What is the air quality in Hangzhou?

Hangzhou, China has an annual US AQI of 122 (Polluted) and average PM2.5 of 43.9 µg/m³, ranking #5194 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Hangzhou?

September is typically the cleanest month (AQI 96) and January the most polluted (AQI 157).

PM2.5: 1998–2026 (monitors 2014–2026, satellite 1998–2014). Measured by government monitoring stations. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
5194	Hangzhou, China	Asia	AQI 122	PM2.5 43.9 µg/m³