What is the air quality in Kushiro?

Kushiro, Japan has an annual US AQI of 48 (Reasonable) and average PM2.5 of 9.4 µg/m³, ranking #623 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Kushiro?

January is typically the cleanest month (AQI 44) and May the most polluted (AQI 56).

Where does Kushiro's air quality data come from?

PM2.5: 1998–2026 (monitors 2014–2026, satellite 1998–2014; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Kushiro, Japan — Air Quality & Clean City Guide 2026

Kushiro Air Quality Data

Global rank	City	Continent	AQI	PM2.5
623	Kushiro, Japan	Asia	AQI 48	PM2.5 9.4 µg/m³