SmogRank / Countries / Thailand / October 2024

Most polluted cities in Thailand, October 2024

3 cities in Thailand ranked by their average PM2.5 over the 31 days. Worst: Bangkok at 25.5 µg/m³, #39 of 1,561 cities in the world. Cleanest: Tha Bo at 23.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Bangkoklow-cost sensorsBangkok
    25.5
  2. 2Chiang Mailow-cost sensorsChiang Mai
    23.9
  3. 3Tha BoNong Khai
    23.6
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, October 2024 · Thailand now