SmogRank / World / Czechia / March 2026
Most polluted cities in Czechia, March 2026
2 cities in Czechia ranked by their average PM2.5 over the 31 days. Worst: Stodůlky at 30.6 µg/m³, #251 of 2,616 cities in the world. Cleanest: Říčany at 27.8. A city needs measurements on 70% of the days to be ranked.
The European Environment Agency's air quality index bands for PM2.5 (2024 revision); it has bands, not numbers, so values stay in µg/m³. 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, March 2026 · Czechia now
Use this board
SmogRank, most polluted cities in Czechia, PM2.5, March 2026, smogrank.com/cz/history/2026-03 (accessed 2 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.