What is the air quality in Hai'an?

Hai'an, China has an annual US AQI of 111 (Polluted) and average PM2.5 of 39.7 µg/m³, ranking #4951 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Hai'an?

September is typically the cleanest month (AQI 74) and January the most polluted (AQI 149).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
4951	Hai'an, China	Asia	AQI 111	PM2.5 39.7 µg/m³