What is the air quality in Morioka?

Morioka, Japan has an annual US AQI of 52 (Reasonable) and average PM2.5 of 10.6 µg/m³, ranking #953 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Morioka?

September is typically the cleanest month (AQI 45) and April the most polluted (AQI 60).

Where does Morioka's air quality data come from?

PM2.5: 1998–2026 (monitors 2011–2026, satellite 1998–2011; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Morioka, Japan — Air Quality & Clean City Guide 2026

Morioka Air Quality Data

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