Air quality in Laos
Air quality index (AQI⁺) and PM2.5 air pollution in Laos • 13:42, Apr 17
Live most polluted city ranking
Real-time Laos most polluted city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 |  Muang Phonsavan | 581 | |
| 2 | Muang Phon-Hong | 453 | |
| 3 | Luang Prabang | 304 | |
| 4 | Sainyabuli | 253 | |
| 5 | Viengthong | 231 | |
| 6 | Vientiane | 202 | |
| 7 | Muang Xay | 192 | |
| 8 | Thakhek | 167 | |
| 9 | Muang Khamkeut | 165 | |
| 10 | Champasak | 142 |
2025 Laos most polluted city
| Vientiane, Vientiane | 79 |
Live cleanest city ranking
Real-time Laos cleanest city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 | Salavan | 82 | |
| 2 | Ban Donghen | 112 | |
| 3 | Pakse | 126 | |
| 4 | Muang Phin | 135 | |
| 5 | Champasak | 142 | |
| 6 | Muang Khamkeut | 165 | |
| 7 | Thakhek | 167 | |
| 8 | Muang Xay | 192 | |
| 9 | Vientiane | 202 | |
| 10 | Viengthong | 231 |
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
