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 • 00:52, Jul 18

Live most polluted city ranking

Real-time Biobio most polluted city ranking

#	Cities	AQI⁺ US
1	Curanilahue	167
2	Hualpen	162
3	Talcahuano	157
4	Laja	144
5	Nacimiento	99
6	Los Ángeles	95
7	Coronel	82
8	Concepcion	69
9	Lota	59
10	Chillan	56

Live cleanest city ranking

Real-time Biobio cleanest city ranking

#	Cities	AQI⁺ US
1	San Carlos	28
2	Hualqui	53
3	Tome	55
4	Chillan	56
5	Lota	59
6	Concepcion	69
7	Coronel	82
8	Los Ángeles	95
9	Nacimiento	99
10	Laja	144

Wildfire Map Spotlight: North-Central and Eastern Oregon Wildfires

Midwest and Northeast US Air Quality Alert

Wildfire Map Spotlight: Elephant Fire, California

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