What is the air quality in Zhangjiagang?

Zhangjiagang, China has an annual US AQI of 117 (Polluted) and average PM2.5 of 42.9 µg/m³, ranking #5065 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Zhangjiagang?

September is typically the cleanest month (AQI 84) and January the most polluted (AQI 155).

Where does Zhangjiagang's air quality data come from?

PM2.5: 1998–2024 (monitors 2014–2021, satellite 1998–2014, 2022–2024). Measured by government monitoring stations. Full sources are on the methodology page.

Zhangjiagang, China — Air Quality & Clean City Guide 2026

Zhangjiagang Air Quality Data

Global rank	City	Continent	AQI	PM2.5
5065	Zhangjiagang, China	Asia	AQI 117	PM2.5 42.9 µg/m³