Air quality in Biobio

Air quality index (AQI⁺) and PM2.5 air pollution in Biobio • 22:55, Jun 22

Live most polluted city ranking

Real-time Biobio most polluted city ranking

#	Cities	AQI⁺ US
1	Nacimiento	209
2	Hualpen	177
3	Tome	174
4	Laja	172
5	Coronel	163
6	Talcahuano	159
7	Los Ángeles	155
8	Chillan	137
9	San Carlos	119
10	Hualqui	90

Live cleanest city ranking

Real-time Biobio cleanest city ranking

#	Cities	AQI⁺ US
1	Curanilahue	44
2	Lota	60
3	Concepcion	86
4	Hualqui	90
5	San Carlos	119
6	Chillan	137
7	Los Ángeles	155
8	Talcahuano	159
9	Coronel	163
10	Laja	172

Polluted skies over Los Angeles.

Boyle Heights Warehouse Fire, Los Angeles, California

Revealing the Invisible: How King’s Group Academies is building a global air quality learning network

Chile Air Quality Alert

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.

GSA contract holder

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved