SmogRank / World / Czechia / Olomouc Region / February 2024
Most polluted cities in Olomouc Region, Czechia, February 2024
2 cities in Olomouc Region, Czechia ranked by their average PM2.5 over the 29 days. Worst: Olomouc at 15.5 µg/m³, #323 of 2,437 cities in the world. Cleanest: Přerov at 13.1. A city needs measurements on 70% of the days to be ranked.
OpenAQ's archive, where our readings come from, has almost none for one of these days. Cities in the United States and Europe have it from the EPA's and the European Environment Agency's own records of the same monitors; elsewhere a city's average is over its other days. Why.
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, February 2024, smogrank.com/cz/region/olomouc-region/history/2024-02 (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.