What is the air quality in Iwaki?

Iwaki, Japan has an annual US AQI of 52 (Reasonable) and average PM2.5 of 10.6 µg/m³, ranking #952 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Iwaki?

December is typically the cleanest month (AQI 41) and May the most polluted (AQI 61).

Where does Iwaki'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.

Iwaki, Japan — Air Quality & Clean City Guide 2026

Iwaki Air Quality Data

Global rank	City	Continent	AQI	PM2.5
952	Iwaki, Japan	Asia	AQI 52	PM2.5 10.6 µg/m³