What is the air quality in Sano?

Sano, Japan has an annual US AQI of 61 (Polluted) and average PM2.5 of 13.4 µg/m³, ranking #2188 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Sano?

January is typically the cleanest month (AQI 50) and July the most polluted (AQI 78).

Where does Sano's air quality data come from?

PM2.5: 1998–2026 (monitors 2012–2026, satellite 1998–2012; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Sano, Japan — Air Quality & Clean City Guide 2026

Sano Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2188	Sano, Japan	Asia	AQI 61	PM2.5 13.4 µg/m³