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

Air quality in Houaphan

Air quality index (AQI⁺) and PM2.5 air pollution in Houaphan • 10:22, May 30

Live most polluted city ranking

Real-time Houaphan most polluted city ranking

#	Cities	AQI⁺ US
1	Xam Nua	63
2	Viengthong	59
3	Xamtay	54
4	Viangxai	46
5	Huameung	33

Live cleanest city ranking

Real-time Houaphan cleanest city ranking

#	Cities	AQI⁺ US
1	Huameung	33
2	Viangxai	46
3	Xamtay	54
4	Viengthong	59
5	Xam Nua	63

Wildfire map spotlight: Seven Cabins Fire, New Mexico

Wildfire map spotlight: Bain Fire, California

Smoke rises from a wildfire burning through forest vegetation.

Wildfire Map Spotlight: Hummingbird Fire, New Mexico

Which is the most polluted city in Houaphan?

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