All 50 districts of Bangkok are affected by PM2.5 dust exceeding the 37.5µg/m³ (micron) safe level. The average is 60.2µg/m³, which is categorised as “Orange” (unhealthy for sensitive groups), according to the Air Quality Information Centre of the Bangkok Metropolitan Administration.
The 12 most polluted districts today are:
1. Nong Chok, 73.9µg/m³
2. Lat Krabang, 73.5µg/m³
3. Bueng Kum, 72.6µg/m³
4. Min Buri, 71.5µg/m³
5. Thawi Wattana, 71.1µg/m³
6. Nong Khaem, 70.9µg/m³
7. Khlong Sam Wa, 70.9µg/m³
8. Kanna Yao, 70.4µg/m³
9. Bangkok Noi, 68.1µg/m³
10. Bang Khun Thian, 67.6µg/m³
11. Nong Chok, 67.4µg/m³
12. Rat Burana, 67µg/m³
PM2.5 dust levels in northern Bangkok range between 55.3and 64.2µg/m³, 53.4-73.9µg/m³ in eastern Bangkok, 53.9-64.6µg/m³ in the centre and 55.1-66.7µg/m³ in the southern part.
In northern Thon Buri, PM2.5 levels range between 58.9 and 71.1µg/m³ and 54.2-70.9µg/m³ in the southern part.
