What is the air quality in Komatsu?

Komatsu, Japan has an annual US AQI of 58 (Reasonable) and average PM2.5 of 12.1 µg/m³, ranking #1712 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Komatsu?

December is typically the cleanest month (AQI 45) and May the most polluted (AQI 75).

Where does Komatsu's air quality data come from?

PM2.5: 1998–2026 (monitors 2012–2026, satellite 1998–2012; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Komatsu, Japan — Air Quality & Clean City Guide 2026

Komatsu Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1712	Komatsu, Japan	Asia	AQI 58	PM2.5 12.1 µg/m³