What is the air quality in Okinawa?

Okinawa, Japan has an annual US AQI of 54 (Reasonable) and average PM2.5 of 12.2 µg/m³, ranking #1276 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Okinawa?

June is typically the cleanest month (AQI 43) and April the most polluted (AQI 62).

Where does Okinawa's air quality data come from?

PM2.5: 1998–2025 (monitors 2011–2025, satellite 1998–2012; 2025 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Okinawa, Japan — Air Quality & Clean City Guide 2026

Okinawa Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1276	Okinawa, Japan	Asia	AQI 54	PM2.5 12.2 µg/m³