WorldArrow icon
Arrow iconPorto

Air quality in Porto

Air quality index (AQI⁺) and PM2.5 air pollution in Porto • 09:19, Nov 30

Live most polluted city ranking

Real-time Porto most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Portugal

Paços de Ferreira

33

2
The national flag of Portugal

Avintes

28

3
The national flag of Portugal

Gondomar

26

4
The national flag of Portugal

Porto

26

5
The national flag of Portugal

Canidelo

23

6
The national flag of Portugal

Senhora da Hora

12

7
The national flag of Portugal

Valongo

8

Live cleanest city ranking

Real-time Porto cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Portugal

Valongo

8

2
The national flag of Portugal

Senhora da Hora

12

3
The national flag of Portugal

Canidelo

23

4
The national flag of Portugal

Gondomar

26

5
The national flag of Portugal

Porto

26

6
The national flag of Portugal

Avintes

28

7
The national flag of Portugal

Paços de Ferreira

33

external link icon

China Air Quality Alert

Polluted skies of Kathmandu city
external link icon

November 27, 2025: Kathmandu among top 10 most polluted cities in the world

external link icon

Indoor Air Quality Alert: Sri Lanka Flooding

Which is the most polluted city in Porto?