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PM2.5 levels meet standards citywide, Bangkok average at 24.3 µg/m³

WEDNESDAY, JANUARY 07, 2026

Bangkok’s air quality remains good on Wednesday, January 7, with PM2.5 levels across all districts staying within safe limits. 

The Bangkok Air Quality Information Centre reported on the situation of particulate matter (PM 2.5) in the city on Wednesday, January 7, at 7am. 

The average PM2.5 level for Bangkok was recorded at 24.3 micrograms per cubic metre (µg/m³), which is lower than the standard of 37.5 µg/m³.

PM2.5 levels meet standards citywide, Bangkok average at 24.3 µg/m³

Top 12 areas with the highest PM2.5 levels in Bangkok:

  • Chatuchak: 36.6 µg/m³
  • Pathum Wan: 35.8 µg/m³
  • Sathorn: 31.9 µg/m³
  • Khlong Sam Wa: 31.2 µg/m³
  • Ratchathewi: 31 µg/m³
  • Bang Phlat: 30.1 µg/m³
  • Phra Khanong: 29.6 µg/m³
  • Nong Kham: 29.4 µg/m³
  • Bang Rak: 29.1 µg/m³
  • Samphanthawong: 29 µg/m³
  • Bang Sue: 29 µg/m³
  • Lat Krabang: 28.8 µg/m³

PM2.5 levels meet standards citywide, Bangkok average at 24.3 µg/m³

Air quality by region:

  • North Bangkok: 21.1 – 36.6 µg/m³ (moderate)
  • East Bangkok: 19.4 – 31.2 µg/m³ (good)
  • Central Bangkok: 16.5 – 31 µg/m³ (good)
  • South Bangkok: 19.1 – 35.8 µg/m³ (moderate)
  • North Thonburi: 17.3 – 30.1 µg/m³ (good)
  • South Thonburi: 18.2 – 29.4 µg/m³ (good)

The levels of particulate matter are on a downward trend, with overall air quality classified as good.