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

Biobio

Air quality in Biobio

Air quality index (AQI⁺) and PM2.5 air pollution in Biobio • 01:23, Aug 31

Live most polluted city ranking

Real-time Biobio most polluted city ranking

#	Cities	AQI⁺ US
1	San Carlos	142
2	Nacimiento	95
3	Curanilahue	73
4	Lota	66
5	Hualpen	55
6	Coronel	42
7	Concepcion	41
8	Talcahuano	22

Live cleanest city ranking

Real-time Biobio cleanest city ranking

#	Cities	AQI⁺ US
1	Talcahuano	22
2	Concepcion	41
3	Coronel	42
4	Hualpen	55
5	Lota	66
6	Curanilahue	73
7	Nacimiento	95
8	San Carlos	142

Wildfires in Biobio

Real-time information

Active fires

--

Wildfire Map Spotlight: Ross Fire, Texas

Intense forest fire.

Wildfire Map Spotlight: Widemouth 2 Fire, Utah

Wildfire Map Spotlight: Washington Wildfires

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