SmogRank / World / Czechia / Olomouc Region / December 2024
Most polluted cities in Olomouc Region, Czechia, December 2024
2 cities in Olomouc Region, Czechia ranked by their average PM2.5 over the 31 days. Worst: Přerov at 23.2 µg/m³, #168 of 2,573 cities in the world. Cleanest: Olomouc at 20.7. A city needs measurements on 70% of the days to be ranked.
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
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SmogRank, most polluted cities in Olomouc Region, Czechia, PM2.5, December 2024, smogrank.com/cz/region/olomouc-region/history/2024-12 (accessed 7 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.