What is the air quality in Ashikaga?

Ashikaga, Japan has an annual US AQI of 61 (Polluted) and average PM2.5 of 13.8 µg/m³, ranking #2193 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Ashikaga?

December is typically the cleanest month (AQI 52) and July the most polluted (AQI 77).

PM2.5: 1998–2025 (monitors 2020–2025, satellite 1998–2020). Measured by government monitoring stations. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
2193	Ashikaga, Japan	Asia	AQI 61	PM2.5 13.8 µg/m³