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

Air quality in Biobio

Air quality index (AQI⁺) and PM2.5 air pollution in Biobio • 10:31, May 30

Live most polluted city ranking

Real-time Biobio most polluted city ranking

#	Cities	AQI⁺ US
1	Nacimiento	135
2	Chillan	96
3	Lota	91
4	Coronel	83
5	Laja	82
6	San Carlos	81
7	Talcahuano	79
8	Curanilahue	75
9	Hualqui	73
10	Hualpen	69

Live cleanest city ranking

Real-time Biobio cleanest city ranking

#	Cities	AQI⁺ US
1	Tome	4
2	Los Ángeles	56
3	Concepcion	64
4	Hualpen	69
5	Hualqui	73
6	Curanilahue	75
7	Talcahuano	79
8	San Carlos	81
9	Laja	82
10	Coronel	83

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 Biobio?

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