SmogRank / World / Thailand / Bangkok / December 2024
Most polluted cities in Bangkok, Thailand, December 2024
14 cities in Bangkok, Thailand ranked by their average PM2.5 over the 31 days. Worst: Nong Khaem at 40.2 µg/m³, #39 of 2,573 cities in the world. Cleanest: Nong Chok at 29.3. A city needs measurements on 70% of the days to be ranked.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Nong Khaem 71%
- 2Khlong Sam Wa 71%
- 3Bang Na 58%
- 4Lak Si 58%
- 5Ban Samae Dam 55%
- 6Bueng Kum 43%
- 7Khan Na Yao 42%
- 8Saphan Sung 37%
- 9Bangkok 35%
- 10Bang Kapi 29%
- 11Lat Krabang 26%
- 12Sai Mai 26%
- 13Nong Chok 23%
- 14Ban Khlong Prawet 19%
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, December 2024 · All cities in Thailand, December 2024 · Bangkok now
Use this board
SmogRank, most polluted cities in Bangkok, Thailand, PM2.5, December 2024, smogrank.com/th/region/bangkok/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.