BANGKOK: The Bangkok Air Quality Information Centre reported PM2.5 (particles up to 2.5 microns) readings across the capital on March 17, 2026, at 7.00am.
The citywide average was 32 µg/m³, within the standard of no more than 37.5 µg/m³, though several districts recorded readings above the limit.
Top 12 PM2.5 districts in Bangkok
Lat Krabang: 41.6 µg/m³
Lak Si: 41.3 µg/m³
Prawet: 40.1 µg/m³
Wang Thonglang: 40.1 µg/m³
Bang Rak: 39.4 µg/m³
Nong Chok: 38.7 µg/m³
Chatuchak: 38.1 µg/m³
Min Buri: 36.9 µg/m³
Bang Kho Laem: 36.8 µg/m³
Ratchathewi: 36.6 µg/m³
Sai Mai: 36.4 µg/m³
Pathum Wan: 36.3 µg/m³
PM2.5 by zone (overall: “moderate”)
North Bangkok: 32.2-41.3 µg/m³
East Bangkok: 29.8-41.6 µg/m³
Central Bangkok: 25.3-40.1 µg/m³
South Bangkok: 25.6-39.4 µg/m³
North Thonburi: 26.7-34.0 µg/m³
South Thonburi: 26.0-34.1 µg/m³
Health advice
General public
Wear protective equipment such as a PM2.5 mask when outdoors.
Limit strenuous outdoor activities and exercise.
Watch for symptoms such as coughing, breathing difficulty, or eye irritation.
At-risk groups
Wear a PM2.5 mask whenever outdoors.
Avoid strenuous outdoor activities and follow medical advice.
Seek medical attention promptly if symptoms occur.
The Thai Meteorological Department forecasts very hot weather in Bangkok today, with a maximum temperature of 33-36°C, and thunderstorms in 10 per cent of the area. - The Nation/ANN
