What is the air quality in Saitama?

Saitama, Japan has an annual US AQI of 63 (Polluted) and average PM2.5 of 13.4 µg/m³, ranking #2463 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Saitama?

January is typically the cleanest month (AQI 55) and July the most polluted (AQI 98).

Where does Saitama'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.

Saitama, Japan — Air Quality & Clean City Guide 2026

Saitama Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2463	Saitama, Japan	Asia	AQI 63	PM2.5 13.4 µg/m³