SmogRank / Countries / Thailand / December 2024

Most polluted cities in Thailand, December 2024

3 cities in Thailand ranked by their average PM2.5 over the 31 days. Worst: Bangkok at 40.1 µg/m³, #36 of 2,078 cities in the world. Cleanest: Tha Bo at 33.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Bangkoklow-cost sensorsBangkok
    40.1
  2. 2Chiang Mailow-cost sensorsChiang Mai
    37.4
  3. 3Tha BoNong Khai
    33.6
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, December 2024 · Thailand now