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 • 07:30, May 31

Live most polluted city ranking

Real-time Biobio most polluted city ranking

#	Cities	AQI⁺ US
1	Laja	159
2	Nacimiento	158
3	Los Ángeles	151
4	Curanilahue	97
5	Chillan	96
6	Lota	92
7	Coronel	89
8	Hualpen	75
9	Talcahuano	75
10	Concepcion	68

Live cleanest city ranking

Real-time Biobio cleanest city ranking

#	Cities	AQI⁺ US
1	Tome	7
2	San Carlos	62
3	Concepcion	68
4	Hualpen	75
5	Talcahuano	75
6	Coronel	89
7	Lota	92
8	Chillan	96
9	Curanilahue	97
10	Los Ángeles	151

May 31, 2026: Johannesburg among top 10 most polluted cities in the world

Wildfire map spotlight: Seven Cabins Fire, New Mexico

Wildfire map spotlight: Bain 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