Vietnam daily air quality reports
Every afternoon we record the US AQI of every Vietnamese 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 | Hanoi 96 | Thừa Thiên Huế 21 | 58 | 0 |
| 18 October 2026 | Bắc Ninh 76 | Lâm Đồng 18 | 57 | 0 |
| 17 October 2026 | Hanoi 87 | Thừa Thiên Huế 36 | 63 | 0 |
| 16 October 2026 | Bắc Ninh 116 | Lâm Đồng 17 | 67 | 0 |
| 15 October 2026 | Bắc Ninh 163 | Lâm Đồng 31 | 67 | 1 |
| 14 October 2026 | Hanoi 210 | Khánh Hòa 18 | 73 | 5 |