SmogRank / World / Brazil / Bahia / May 2025
Most polluted cities in Bahia, Brazil, May 2025
2 cities in Bahia, Brazil ranked by their average PM2.5 over the 31 days. Worst: Dias d'Ávila at 8.4 µg/m³, #1,225 of 2,806 cities in the world. Cleanest: Camaçari at 6.0. A city needs measurements on 70% of the days to be ranked.
- 1Dias d'Ávila 47
- 2Camaçari 33
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), May 2025: each city's mean of its daily means, cities measured on 22 or more of the 31 days. Monitor data from national networks via OpenAQ and the publishers listed at smogrank.com/sources. smogrank.com/br/region/bahia/history/2025-05 (accessed 11 Oct 2026). Some readings from Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published.
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.