What is the air quality in Numazu?

Numazu, Japan has an annual US AQI of 58 (Reasonable) and average PM2.5 of 12.5 µg/m³, ranking #1720 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Numazu?

December is typically the cleanest month (AQI 51) and May the most polluted (AQI 72).

Where does Numazu's air quality data come from?

PM2.5: 1998–2026 (monitors 2017–2026, satellite 1998–2017, 2019; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Numazu, Japan — Air Quality & Clean City Guide 2026

Numazu Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1720	Numazu, Japan	Asia	AQI 58	PM2.5 12.5 µg/m³