Air quality in Laos
Air quality index (AQI⁺) and PM2.5 air pollution in Laos • 02:30, Jun 28
Live most polluted city ranking
Real-time Laos most polluted city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 |  Luang Prabang | 56 | |
| 2 | Vientiane | 48 | |
| 3 | Muang Phon-Hong | 41 | |
| 4 | Thakhek | 39 | |
| 5 | Viengthong | 28 | |
| 6 | Sainyabuli | 22 | |
| 7 | Muang Phonsavan | 21 | |
| 8 | Phongsali | 20 | |
| 9 | Muang Phin | 12 | |
| 10 | Salavan | 12 |
2025 Laos most polluted city
| Vientiane, Vientiane | 79 |
Live cleanest city ranking
Real-time Laos cleanest city ranking
| # | Cities | AQI⁺ US | |
|---|---|---|---|
| 1 | Pakse | 9 | |
| 2 | Champasak | 11 | |
| 3 | Muang Nale | 11 | |
| 4 | Muang Phin | 12 | |
| 5 | Salavan | 12 | |
| 6 | Phongsali | 20 | |
| 7 | Muang Phonsavan | 21 | |
| 8 | Sainyabuli | 22 | |
| 9 | Viengthong | 28 | |
| 10 | Thakhek | 39 |
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
