Air Quality Index (AQI) in Laos 🇱🇦
Live Air Quality Index (AQI) and PM2.5 Levels in Laos
Currently, the Air Quality Index (AQI) in Vientiane, the capital of Laos, is measured at a score of 42. According to the US EPA health standard, this air quality rating is categorized as Good. The current atmosphere in Vientiane is influenced by a PM2.5 (fine particulate matter) concentration of 7.6 µg/m³ and PM10 levels recorded at 7.9 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 9.5 µg/m³.
Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Laos based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Savannakhet, Pakse, Thakhèk, Luang Prabang and Xam Nua. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.
Laos Air Quality: Major Cities Index
- 1
- 1
- 1
- 1
- 1
- 1
- 1
- 1
- 1
- 1
- 1
- 1
* Air Quality Index (AQI) data for Laos is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.
Frequently Asked Questions about Air Quality in Laos
What is the air quality in Laos right now?
The current AQI in Vientiane (capital of Laos) is 42 — categorised as Good. Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in Laos has the worst air quality right now?
Right now, Vientiane has the highest AQI reading in Laos at 42 (Good).
Which city in Laos has the best air quality right now?
Muang Phônsavan currently has the lowest AQI in Laos at 4 (Good).
What is the PM2.5 level in Vientiane today?
Is the air in Laos safe to breathe today?
Most cities in Laos currently report acceptable air-quality levels, though local conditions vary.
What are the cleanest cities in Laos right now?
Top 5 cities in Laos with the best (lowest) AQI right now:
- Muang Phônsavan: AQI 4 — Good
- Vang Vieng: AQI 4 — Good
- Luang Prabang: AQI 6 — Good
- Xam Nua: AQI 10 — Good
- Muang Xay: AQI 12 — Good
What are the most polluted cities in Laos right now?
Top 5 cities in Laos with the worst (highest) AQI right now:
- Vientiane: AQI 42 — Good
- Muang Không: AQI 22 — Good
- Thakhèk: AQI 16 — Good
- Pakse: AQI 15 — Good
- Savannakhet: AQI 14 — Good
Air Quality Scales & Resources
Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.
→ Understanding Air Quality Levels: read the full guide