What is the air quality in Tainan?

Tainan, Taiwan has an annual US AQI of 87 (Polluted) and average PM2.5 of 27.4 µg/m³, ranking #4096 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Tainan?

June is typically the cleanest month (AQI 56) and January the most polluted (AQI 110).

Where does Tainan's air quality data come from?

PM2.5: 1998–2026 (monitors 2004–2026, satellite 1998–2004; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Tainan, Taiwan — Air Quality & Clean City Guide 2026

Tainan Air Quality Data

Global rank	City	Continent	AQI	PM2.5
4096	Tainan, Taiwan	Asia	AQI 87	PM2.5 27.4 µg/m³