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 • 05:36, Jun 26

Live most polluted city ranking

Real-time Biobio most polluted city ranking

#	Cities	AQI⁺ US
1	Nacimiento	102
2	Chillan	90
3	San Carlos	82
4	Curanilahue	75
5	Coronel	70
6	Concepcion	56
7	Los Ángeles	56
8	Laja	55
9	Talcahuano	55
10	Hualpen	39

Live cleanest city ranking

Real-time Biobio cleanest city ranking

#	Cities	AQI⁺ US
1	Hualpen	39
2	Lota	39
3	Laja	55
4	Talcahuano	55
5	Concepcion	56
6	Los Ángeles	56
7	Coronel	70
8	Curanilahue	75
9	San Carlos	82
10	Chillan	90

Wildfire on a mountain

Wildfire Map Spotlight: Kane Springs Fire and Grapevine Fire, Nevada

Wildfire Map Spotlight: Shore Fire, Riverside County, California

Fire burning dry long grass.

Wildfire Map Spotlight: Cottonwood Fire, Utah

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