What is the air quality in Bielsko-Biała?

Bielsko-Biała, Poland has an annual US AQI of 89 (Polluted) and average PM2.5 of 29.1 µg/m³, ranking #4224 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Bielsko-Biała?

July is typically the cleanest month (AQI 64) and January the most polluted (AQI 127).

Where does Bielsko-Biała's air quality data come from?

PM2.5: 1998–2026 (monitors 2010–2025, satellite 1998–2009, model 2026). Measured by government monitoring stations. Full sources are on the methodology page.

Bielsko-Biała, Poland — Air Quality & Clean City Guide 2026

Bielsko-Biała Air Quality Data

Global rank	City	Continent	AQI	PM2.5
4224	Bielsko-Biała, Poland	Europe	AQI 89	PM2.5 29.1 µg/m³