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

Porto

Air quality in Porto

Air quality index (AQI⁺) and PM2.5 air pollution in Porto • 12:33, Nov 09

Live most polluted city ranking

Real-time Porto most polluted city ranking

#	Cities	AQI⁺ US
1	Canidelo	73
2	Porto	66
3	Gondomar	56
4	Valongo	50
5	Paços de Ferreira	31
6	Senhora da Hora	27
7	Recarei	26

Live cleanest city ranking

Real-time Porto cleanest city ranking

#	Cities	AQI⁺ US
1	Recarei	26
2	Senhora da Hora	27
3	Paços de Ferreira	31
4	Valongo	50
5	Gondomar	56
6	Porto	66
7	Canidelo	73

Wildfires in Porto

Real-time information

Active fires

--

An aerial view of a densely populated urban area, featuring closely packed residential and commercial buildings. A layer of haze and smog reduces visibility, obscuring the distant city skyline.

Pakistan Air Quality Alert

A hazy cityscape viewed from an elevated position, showing densely packed buildings and rooftops. Smoke rises from a chimney in the foreground, while air pollution creates a thick layer of smog that obscures distant buildings and surrounding hills.

November 9, 2026: Sarajevo among top 10 most polluted cities in the world

A panoramic view of a European riverside city at dusk, featuring illuminated historic buildings, a prominent clock tower, and a river in the foreground with boats passing by.

Serbia Air Quality Alert

Which is the most polluted city in Porto?

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