What is the air quality in Matsuyama?

Matsuyama, Japan has an annual US AQI of 61 (Polluted) and average PM2.5 of 14.3 µg/m³, ranking #2215 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Matsuyama?

December is typically the cleanest month (AQI 55) and May the most polluted (AQI 71).

Where does Matsuyama'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.

Matsuyama, Japan — Air Quality & Clean City Guide 2026

Matsuyama Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2215	Matsuyama, Japan	Asia	AQI 61	PM2.5 14.3 µg/m³