What is the air quality in Asahikawa?

Asahikawa, Japan has an annual US AQI of 50 (Reasonable) and average PM2.5 of 10.1 µg/m³, ranking #771 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Asahikawa?

September is typically the cleanest month (AQI 43) and April the most polluted (AQI 58).

Where does Asahikawa's air quality data come from?

PM2.5: 1998–2026 (monitors 2011–2026, satellite 1998–2011; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Asahikawa, Japan — Air Quality & Clean City Guide 2026

Asahikawa Air Quality Data

Global rank	City	Continent	AQI	PM2.5
771	Asahikawa, Japan	Asia	AQI 50	PM2.5 10.1 µg/m³