What is the air quality in Kawaguchi?

Kawaguchi, Japan has an annual US AQI of 63 (Polluted) and average PM2.5 of 14.3 µg/m³, ranking #2472 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Kawaguchi?

September is typically the cleanest month (AQI 58) and July the most polluted (AQI 84).

Where does Kawaguchi's air quality data come from?

PM2.5: 1998–2025 (monitors 2013–2025, satellite 1998–2013; 2025 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Kawaguchi, Japan — Air Quality & Clean City Guide 2026

Kawaguchi Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2472	Kawaguchi, Japan	Asia	AQI 63	PM2.5 14.3 µg/m³