What is the air quality in Toufen?

Toufen, Taiwan has an annual US AQI of 71 (Polluted) and average PM2.5 of 20 µg/m³, ranking #3338 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Toufen?

June is typically the cleanest month (AQI 53) and March the most polluted (AQI 85).

Where does Toufen's air quality data come from?

PM2.5: 1998–2026 (monitors 2005–2026, satellite 1998–2005; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Toufen, Taiwan — Air Quality & Clean City Guide 2026

Toufen Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3338	Toufen, Taiwan	Asia	AQI 71	PM2.5 20 µg/m³