What is the air quality in Toyokawa?

Toyokawa, Japan has an annual US AQI of 57 (Reasonable) and average PM2.5 of 12.7 µg/m³, ranking #1651 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Toyokawa?

December is typically the cleanest month (AQI 51) and May the most polluted (AQI 66).

Where does Toyokawa's air quality data come from?

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

Toyokawa, Japan — Air Quality & Clean City Guide 2026

Toyokawa Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1651	Toyokawa, Japan	Asia	AQI 57	PM2.5 12.7 µg/m³