What is the air quality in Keelung?

Keelung, Taiwan has an annual US AQI of 64 (Polluted) and average PM2.5 of 15.2 µg/m³, ranking #2580 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Keelung?

August is typically the cleanest month (AQI 57) and April the most polluted (AQI 71).

Where does Keelung's air quality data come from?

PM2.5: 1998–2026 (monitors 2022–2026, satellite 1998–2021; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Keelung, Taiwan — Air Quality & Clean City Guide 2026

Keelung Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2580	Keelung, Taiwan	Asia	AQI 64	PM2.5 15.2 µg/m³