What is the air quality in Kashihara?

Kashihara, Japan has an annual US AQI of 60 (Reasonable) and average PM2.5 of 13.6 µg/m³, ranking #2046 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Kashihara?

September is typically the cleanest month (AQI 54) and May the most polluted (AQI 68).

Where does Kashihara's air quality data come from?

PM2.5: 1998–2025 (monitors 2010–2025, satellite 1998–2010; 2025 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Kashihara, Japan — Air Quality & Clean City Guide 2026

Kashihara Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2046	Kashihara, Japan	Asia	AQI 60	PM2.5 13.6 µg/m³