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 • 20:44, May 09

Live most polluted city ranking

Real-time Vientiane most polluted city ranking

#	Cities	AQI⁺ US
1	Muang Phon-Hong	53
2	Vientiane	53
3	Vangviang	48
4	Nong Boua	46
5	Muang Sanakham	18
6	Muang Kasi	16

Live cleanest city ranking

Real-time Vientiane cleanest city ranking

#	Cities	AQI⁺ US
1	Muang Kasi	16
2	Muang Sanakham	18
3	Nong Boua	46
4	Vangviang	48
5	Muang Phon-Hong	53
6	Vientiane	53

May 9, 2026: Lahore among top 10 most polluted cities in the world

Lava splashing from an active volcano.

Volcanic Eruption Map Spotlight: Mount Dukono, North Maluku, Indonesia

Wildfire Map Spotlight: Brantley Highway 82 Fire, Georgia

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