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

Air quality in Porto

Air quality index (AQI⁺) and PM2.5 air pollution in Porto • 13:28, May 30

Live most polluted city ranking

Real-time Porto most polluted city ranking

#	Cities	AQI⁺ US
1	Paços de Ferreira	75
2	Valongo	62
3	Mindelo	60
4	Porto	60
5	Recarei	57
6	Avintes	56
7	Gondomar	56
8	Matosinhos	56
9	Maia	53
10	Senhora da Hora	47

Live cleanest city ranking

Real-time Porto cleanest city ranking

#	Cities	AQI⁺ US
1	Canidelo	38
2	Senhora da Hora	47
3	Maia	53
4	Avintes	56
5	Gondomar	56
6	Matosinhos	56
7	Recarei	57
8	Mindelo	60
9	Porto	60
10	Valongo	62

Wildfire map spotlight: Seven Cabins Fire, New Mexico

Wildfire map spotlight: Bain Fire, California

Smoke rises from a wildfire burning through forest vegetation.

Wildfire Map Spotlight: Hummingbird Fire, New Mexico

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.

United Arab Emirates

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved