SmogRank / World / Brazil / Bahia / September 2023
Most polluted cities in Bahia, Brazil, September 2023
1 city in Bahia, Brazil ranked by their average PM2.5 over the 30 days. The only one: Dias d'Ávila at 7.6 µg/m³, #1,278 of 2,176 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1Dias d'Ávila 42
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 Bahia, Brazil by mean PM2.5 (µg/m³), September 2023: each city's mean of its daily means, cities measured on 21 or more of the 30 days. Monitor data from national networks via OpenAQ and the publishers listed at smogrank.com/sources. smogrank.com/br/region/bahia/history/2023-09 (accessed 12 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.