SmogRank / World / Thailand / Bangkok / October 2024
Most polluted cities in Bangkok, Thailand, October 2024
14 cities in Bangkok, Thailand ranked by their average PM2.5 over the 31 days. Worst: Bang Na at 29.1 µg/m³, #37 of 1,966 cities in the world. Cleanest: Nong Chok at 16.2. 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.
- 1Ban Samae Dam 16%
- 2Bang Na 13%
- 3Nong Khaem 13%
- 4Khlong Sam Wa 6%
- 5Khan Na Yao 4%
- 6Bangkok 3%
- 7Bang Kapi 3%
- 8Saphan Sung 0%
- 9Lat Krabang 0%
- 10Bueng Kum 0%
- 11Sai Mai 0%
- 12Lak Si 0%
- 13Ban Khlong Prawet 0%
- 14Nong Chok 0%
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, October 2024 · All cities in Thailand, October 2024 · Bangkok now
Use this board
SmogRank, most polluted cities in Bangkok, Thailand, PM2.5, October 2024, smogrank.com/th/region/bangkok/history/2024-10 (accessed 6 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.