SmogRank / World / Czechia / February 2026
Most polluted cities in Czechia, February 2026
2 cities in Czechia ranked by their average PM2.5 over the 28 days. Worst: Stodůlky at 32.9 µg/m³, #213 of 2,520 cities in the world. Cleanest: Říčany at 28.7. A city needs measurements on 70% of the days to be ranked.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
All cities in the world, February 2026 · Czechia now
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SmogRank, most polluted cities in Czechia, PM2.5, February 2026, smogrank.com/cz/history/2026-02 (accessed 2 Oct 2026).
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