Air quality in Laos
Air quality index (AQI⁺) and PM2.5 air pollution in Laos • 19:01, Jul 09
Live most polluted city ranking
Real-time Laos most polluted city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 |  Champasak | 56 | |
| 2 | Muang Phon-Hong | 51 | |
| 3 | Thakhek | 44 | |
| 4 | Vientiane | 44 | |
| 5 | Muang Phin | 40 | |
| 6 | Pakse | 39 | |
| 7 | Sainyabuli | 39 | |
| 8 | Luang Prabang | 31 | |
| 9 | Salavan | 13 | |
| 10 | Muang Phonsavan | 1 |
2025 Laos most polluted city
| Vientiane, Vientiane | 79 |
Live cleanest city ranking
Real-time Laos cleanest city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 | Muang Phonsavan | 1 | |
| 2 | Salavan | 13 | |
| 3 | Luang Prabang | 31 | |
| 4 | Pakse | 39 | |
| 5 | Sainyabuli | 39 | |
| 6 | Muang Phin | 40 | |
| 7 | Thakhek | 44 | |
| 8 | Vientiane | 44 | |
| 9 | Muang Phon-Hong | 51 | |
| 10 | Champasak | 56 |
2025 Laos cleanest city
| Muang Khong, Champasak | 53 |
2025 Laos air quality
2025 country air quality average
How polluted is Laos?
In 2025 in Laos, the annual PM2.5 concentration was 4.5 times the WHO annual PM2.5 guideline.
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
