What is the air quality in Dalian?

Dalian, China has an annual US AQI of 99 (Polluted) and average PM2.5 of 32.8 µg/m³, ranking #4578 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Dalian?

September is typically the cleanest month (AQI 77) and January the most polluted (AQI 120).

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
4578	Dalian, China	Asia	AQI 99	PM2.5 32.8 µg/m³