Air Quality in Porto, Portugal

Windy
21.9°C · 50.5% humidity
21.9°
Feels 21.9°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 1pm
54
54
54 4pm
54
54
54 7pm
54
54
54 10pm
54
54
54 1am
54
54
54 4am
54
54
54 7am
54
54
34 10am
34
34
AD 728×90

Air Quality Index Trend

45h · 7 stn

Porto's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

50.5%
Humidity
44.5 km/h
Wind NW
1015.9 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.5 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Porto?

Temperature & Precipitation

PM2.5 Trend

45h · 7 stations
PM2.513.5 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX6.9
High
AD 300×250

What is the 7-day forecast for Porto?

09-05
29.2° 19.2°
09-06
27.3° 19.0°
09-07
25.8° 14.2°
09-08
24.7° 17.6°
1.94 mm
09-09
35.3° 15.1°
09-10
29.2° 21.7°
09-11
27.9° 18.0°
0.81 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Porto?

13
Sobreiras-Lordelo do Ouro, Porto, Portugal
4.0 km PM2.5: 3.1 µg/m³
37
Sobreiras-Lordelo do Ouro, Porto, Portugal
4.0 km PM2.5: 8.9 µg/m³
41
Paços de Ferreira, Paços de Ferreira, Portugal
24.1 km PM2.5: 9.8 µg/m³

What cities are near Porto?

60 Bomfim 54 Vila Nova de Gaia 60 Paranhos 54 Afurada de Baixo 54 Lordelo do Ouro 60 Campanhã 60 Oliveira do Douro 54 Santo Ovídio 54 Canidelo 54 São Mamede de Infesta
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:06 UTC.