Thailand daily air quality reports
Every afternoon we record the US AQI of every Thai city with a monitoring station reporting, and compare it with the day before. Each report stays online as a permanent record.
| Date | Most polluted | Cleanest | Median US AQI | Cities Unhealthy or worse |
|---|---|---|---|---|
| 19 October 2026 | Kanchanaburi 98 | Surin 28 | 59 | 0 |
| 18 October 2026 | Kanchanaburi 100 | Sa Kaeo 47 | 63 | 0 |
| 17 October 2026 | Kanchanaburi 109 | Phichit 50 | 66 | 0 |
| 16 October 2026 | Narathiwat 92 | Sa Kaeo 41 | 62 | 0 |
| 15 October 2026 | Narathiwat 92 | Sa Kaeo 16 | 58 | 0 |
| 14 October 2026 | Kanchanaburi 96 | Sa Kaeo 33 | 60 | 0 |