SmogRank / World / Serbia / February 2023

Most people breathing unhealthy air in Serbia, February 2023

1 city in Serbia measured at 2 or more places, ranked by how many people breathed unhealthy air on an average day over the 28 days. The most people breathing unhealthy air: Belgrade, Serbia, about 566K on an average day. A city needs measurements on 70% of the days to be ranked.

OpenAQ's archive, where our readings come from, has almost none for 25 of these 28 days. Cities in the United States and Europe have them from the EPA's and the European Environment Agency's own records of the same monitors; many cities elsewhere are missing from this board, not clean. Why.

Serbia has 8 cities ranked over the last 30 days, but only 1 here: most of its monitors have no readings for February 2023 in OpenAQ's archive, where ours come from, or too few to rank. Cities missing from this board weren't clean, just not measured.

About 566K people in this city breathed unhealthy air on an average day of February 2023.

Ranked by people: each city's population times its share of unhealthy days, those with a daily mean over 35.4 µg/m³ (US AQI 101+). That is how many people living there breathed unhealthy air on an average day. Only cities measured at 2 or more places at least 3 km apart are ranked: one monitor shouldn't speak for a whole city. Population is the city itself, not its wider metro area.

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 2023 · Serbia now

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SmogRank, most polluted cities in Serbia, by people breathing unhealthy air, PM2.5, February 2023, smogrank.com/rs/history/2023-02?by=people (accessed 7 Oct 2026).

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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.