Daily report · most polluted
Vietnam air quality on 16 October 2026
Bắc Ninh had the most polluted air of 12 Vietnamese cities
Updated · CEM
At 3:00 pm ICT on 16 October 2026, 12 Vietnamese cities were reporting. Bắc Ninh had the most polluted air at US AQI 116 (Unhealthy for Sensitive Groups), followed by Hanoi (84) and Ho Chi Minh City (79). The median across all cities was 67, unchanged from the day before. 0 cities were at Unhealthy or worse (1 the day before). Lâm Đồng had the cleanest air at 17.
The biggest deterioration was in Quảng Ngãi, from 67 to 68. Nam Định improved most, from 131 to 66.
- Good 2
- Moderate 9
- Unhealthy for Sensitive Groups 1
10 most polluted cities
| # | City | Province | US AQI | Change |
|---|---|---|---|---|
| 1 | Bắc Ninh | Bắc Ninh | 116Sensitive | ▼ 47 |
| 2 | Hanoi | Hà Nội | 84Moderate | ▼ 37 |
| 3 | Ho Chi Minh City | Hồ Chí Minh | 79Moderate | ▼ 39 |
| 4 | Ninh Bình | Ninh Bình | 71Moderate | ▼ 41 |
| 5 | Quảng Ngãi | Quảng Ngãi | 68Moderate | ▲ 1 |
| 6 | Da Nang | Đà Nẵng | 67Moderate | ▼ 4 |
| 7 | Nam Định | Nam Định | 66Moderate | ▼ 65 |
| 8 | Hà Tĩnh | Hà Tĩnh | 61Moderate | ▼ 1 |
| 9 | Haiphong | Hải Phòng | 58Moderate | ▼ 2 |
| 10 | Quảng Ninh | Quảng Ninh | 52Moderate | 0 |
10 cleanest cities
| # | City | Province | US AQI | Change |
|---|---|---|---|---|
| 1 | Lâm Đồng | Lâm Đồng | 17Good | ▼ 14 |
| 2 | Thừa Thiên Huế | Thừa Thiên Huế | 32Good | ▼ 4 |
| 3 | Quảng Ninh | Quảng Ninh | 52Moderate | 0 |
| 4 | Haiphong | Hải Phòng | 58Moderate | ▼ 2 |
| 5 | Hà Tĩnh | Hà Tĩnh | 61Moderate | ▼ 1 |
| 6 | Nam Định | Nam Định | 66Moderate | ▼ 65 |
| 7 | Da Nang | Đà Nẵng | 67Moderate | ▼ 4 |
| 8 | Quảng Ngãi | Quảng Ngãi | 68Moderate | ▲ 1 |
| 9 | Ninh Bình | Ninh Bình | 71Moderate | ▼ 41 |
| 10 | Ho Chi Minh City | Hồ Chí Minh | 79Moderate | ▼ 39 |
Biggest rises
All 12 cities on 16 October 2026
| # | City | Province | US AQI | Change |
|---|---|---|---|---|
| 1 | Bắc Ninh | Bắc Ninh | 116Sensitive | ▼ 47 |
| 2 | Hanoi | Hà Nội | 84Moderate | ▼ 37 |
| 3 | Ho Chi Minh City | Hồ Chí Minh | 79Moderate | ▼ 39 |
| 4 | Ninh Bình | Ninh Bình | 71Moderate | ▼ 41 |
| 5 | Quảng Ngãi | Quảng Ngãi | 68Moderate | ▲ 1 |
| 6 | Da Nang | Đà Nẵng | 67Moderate | ▼ 4 |
| 7 | Nam Định | Nam Định | 66Moderate | ▼ 65 |
| 8 | Hà Tĩnh | Hà Tĩnh | 61Moderate | ▼ 1 |
| 9 | Haiphong | Hải Phòng | 58Moderate | ▼ 2 |
| 10 | Quảng Ninh | Quảng Ninh | 52Moderate | 0 |
| 11 | Thừa Thiên Huế | Thừa Thiên Huế | 32Good | ▼ 4 |
| 12 | Lâm Đồng | Lâm Đồng | 17Good | ▼ 14 |
Snapshot taken at 3:00 pm ICT from Center for Environmental Monitoring (CEM) · Envisoft. Values are the latest hourly readings at that time, not daily averages. Cities with no reading are left out.