What is the air quality in Plzeň?

Plzeň, Czechia has an annual US AQI of 64 (Polluted) and average PM2.5 of 16.2 µg/m³, ranking #2663 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Plzeň?

July is typically the cleanest month (AQI 52) and January the most polluted (AQI 78).

Where does Plzeň's air quality data come from?

PM2.5: 1998–2026 (monitors 2010–2026, satellite 1998–2010; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Plzeň, Czechia — Air Quality & Clean City Guide 2026

Plzeň Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2663	Plzeň, Czechia	Europe	AQI 64	PM2.5 16.2 µg/m³