Choose another country or region to see content specific to your location and shop online.

Air quality in Vientiane

Air quality index (AQI⁺) and PM2.5 air pollution in Vientiane • 09:39, Jun 05

Live most polluted city ranking

Real-time Vientiane most polluted city ranking

#	Cities	AQI⁺ US
1	Muang Phon-Hong	58
2	Vangviang	55
3	Muang Kasi	48
4	Vientiane	44
5	Nong Boua	29
6	Muang Sanakham	7

Live cleanest city ranking

Real-time Vientiane cleanest city ranking

#	Cities	AQI⁺ US
1	Muang Sanakham	7
2	Nong Boua	29
3	Vientiane	44
4	Muang Kasi	48
5	Vangviang	55
6	Muang Phon-Hong	58

Heatwave Map Spotlight: South Asia

Wildfire map spotlight: Santa Rosa Island Fire, California

Wildfire map spotlight: Border 6 Fire, California

Which is the most polluted city in Vientiane?

globe background

Connect With IQAir

Get exclusive articles, product updates, tips, and occasional offers delivered to your inbox. You can unsubscribe at any time.

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved