What is the air quality in Hamamatsu?

Hamamatsu, Japan has an annual US AQI of 55 (Reasonable) and average PM2.5 of 12 µg/m³, ranking #1370 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Hamamatsu?

December is typically the cleanest month (AQI 46) and May the most polluted (AQI 66).

Where does Hamamatsu'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.

Hamamatsu, Japan — Air Quality & Clean City Guide 2026

Hamamatsu Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1370	Hamamatsu, Japan	Asia	AQI 55	PM2.5 12 µg/m³