What is the air quality in Sendai?

Sendai, Japan has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10.2 µg/m³, ranking #841 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Sendai?

December is typically the cleanest month (AQI 40) and May the most polluted (AQI 60).

Where does Sendai's air quality data come from?

PM2.5: 1998–2026 (monitors 2011–2026, satellite 1998–2011, 2024; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Sendai, Japan — Air Quality & Clean City Guide 2026

Sendai Air Quality Data

Global rank	City	Continent	AQI	PM2.5
841	Sendai, Japan	Asia	AQI 51	PM2.5 10.2 µg/m³