What is the air quality in Ōsaki?

Ōsaki, Japan has an annual US AQI of 53 (Reasonable) and average PM2.5 of 11.1 µg/m³, ranking #1093 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Ōsaki?

January is typically the cleanest month (AQI 44) and May the most polluted (AQI 69).

Where does Ōsaki's air quality data come from?

PM2.5: 1998–2026 (monitors 2017–2026, satellite 1998–2017, 2024; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Ōsaki, Japan — Air Quality & Clean City Guide 2026

Ōsaki Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1093	Ōsaki, Japan	Asia	AQI 53	PM2.5 11.1 µg/m³