Air quality in Laos
Air quality index (AQI⁺) and PM2.5 air pollution in Laos • 05:15, Apr 17
Live most polluted city ranking
Real-time Laos most polluted city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 |  Luang Prabang | 427 | |
| 2 | Sainyabuli | 426 | |
| 3 | Viengthong | 389 | |
| 4 | Muang Phonsavan | 387 | |
| 5 | Muang Phon-Hong | 344 | |
| 6 | Muang Xay | 201 | |
| 7 | Vientiane | 172 | |
| 8 | Thakhek | 161 | |
| 9 | Muang Khamkeut | 151 | |
| 10 | Salavan | 134 |
2025 Laos most polluted city
| Vientiane, Vientiane | 79 |
Live cleanest city ranking
Real-time Laos cleanest city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 | Ban Donghen | 105 | |
| 2 | Champasak | 117 | |
| 3 | Muang Phin | 130 | |
| 4 | Pakse | 131 | |
| 5 | Salavan | 134 | |
| 6 | Muang Khamkeut | 151 | |
| 7 | Thakhek | 151 | |
| 8 | Vientiane | 181 | |
| 9 | Muang Xay | 201 | |
| 10 | Luang Prabang | 322 |
2025 Laos cleanest city
| Muang Khong, Champasak | 53 |
2025 Laos air quality
2025 country air quality average
How polluted is Laos?
PM2.5 concentration is currently 4.5 times the World Health Organization annual PM2.5 guideline value.
2025 AQI⁺ country ranking
Which country had the worst air quality in 2025?
Worldwide PM2.5 ranking
2025 Laos global rank in air pollution
30/143
