What is the air quality in Naha?

Naha, Japan has an annual US AQI of 54 (Reasonable) and average PM2.5 of 11.9 µg/m³, ranking #1268 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Naha?

June is typically the cleanest month (AQI 42) and April the most polluted (AQI 63).

Where does Naha's air quality data come from?

PM2.5: 1998–2026 (monitors 2014–2026, satellite 1998–2014, 2022–2023; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Naha, Japan — Air Quality & Clean City Guide 2026

Naha Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1268	Naha, Japan	Asia	AQI 54	PM2.5 11.9 µg/m³