Air Quality in São Tiago de Custoias, Portugal

Windy
18.7°C · 77.2% humidity
18.7°
Feels 18.7°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 2pm
54
54
41 5pm
45
47
49 8pm
51
52
52 11pm
53
53
53 2am
54
54
54 5am
54
54
54 8am
54
34
34 11am
34
34
AD 728×90

Air Quality Index Trend

45h · 6 stn

São Tiago de Custoias'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.

77.2%
Humidity
124.0 km/h
Wind NNW
1016.3 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
41
9.87 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for São Tiago de Custoias?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations
PM2.59.87 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
9.87
Median
10.3
Average
9.8
Low
10.8
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +3.6

What is the 7-day forecast for São Tiago de Custoias?

09-05
20.1° 18.7°
09-06
19.5° 17.9°
09-07
18.9° 16.7°
09-08
19.3° 17.7°
2.5 mm
09-09
22.4° 17.3°
09-10
21.5° 18.1°
09-11
18.8° 18.1°
0.06 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near São Tiago de Custoias?

41
Sobreiras-Lordelo do Ouro, Porto, Portugal
6.2 km PM2.5: 9.8 µg/m³
45
Paços de Ferreira, Paços de Ferreira, Portugal
23.0 km PM2.5: 10.8 µg/m³

What cities are near São Tiago de Custoias?

41 Leça do Bailio 41 São Mamede de Infesta 41 Senhora da Hora 42 Maia 41 Paranhos 41 Aldoar 42 Águas Santas 41 Matosinhos 42 Vermoim 41 Lordelo do Ouro
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:44 UTC.