What is the air quality in Ōmuta?

Ōmuta, Japan has an annual US AQI of 65 (Polluted) and average PM2.5 of 16.7 µg/m³, ranking #2772 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Ōmuta?

July is typically the cleanest month (AQI 57) and May the most polluted (AQI 76).

Where does Ōmuta's air quality data come from?

PM2.5: 1998–2026 (monitors 2010–2026, satellite 1998–2012; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Ōmuta, Japan — Air Quality & Clean City Guide 2026

Ōmuta Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2772	Ōmuta, Japan	Asia	AQI 65	PM2.5 16.7 µg/m³