What is the air quality in Heihe?

Heihe, China has an annual US AQI of 68 (Polluted) and average PM2.5 of 18.4 µg/m³, ranking #3059 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Heihe?

August is typically the cleanest month (AQI 54) and April the most polluted (AQI 79).

PM2.5: 1998–2026 (monitors 2015–2026, satellite 1998–2014). Measured by government monitoring stations. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
3059	Heihe, China	Asia	AQI 68	PM2.5 18.4 µg/m³