SmogRank / Countries / Thailand / March 2024
Most polluted cities in Thailand, March 2024
3 cities in Thailand ranked by their average PM2.5 over the 31 days. Worst: Chiang Mai at 101.4 µg/m³, #3 of 1,432 cities in the world. Cleanest: Ban Khlong Prawet at 20.8. A city needs measurements on 70% of the days to be ranked.
- 1Chiang Mailow-cost sensorsChiang Mai 101.4
- 2Bangkoklow-cost sensorsBangkok 33.5
- 3Ban Khlong Prawetlow-cost sensorsBangkok 20.8
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+