What is the air quality in Changzhou?

Changzhou, China has an annual US AQI of 123 (Polluted) and average PM2.5 of 45.8 µg/m³, ranking #5228 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Changzhou?

September is typically the cleanest month (AQI 89) and January the most polluted (AQI 162).

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
5228	Changzhou, China	Asia	AQI 123	PM2.5 45.8 µg/m³