Air Quality in São Mamede de Infesta, Portugal

Overcast
16.8°C · 91.2% humidity
16.8°
Feels 16.8°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
66 5am
66
66
59 8am
49
50
31 11am
32
33
33 2pm
33
34
34 5pm
34
34
34 8pm
34
34
54 11pm
54
54
54 2am
54
66
AD 728×90

Air Quality Index Trend

49h · 4 stn

São Mamede de Infesta'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. Current PM2.5 concentration in São Mamede de Infesta is 1.1× the WHO 24-hour guideline of 15 µg/m³.

91.2%
Humidity
10.1 km/h
Wind ESE
1018.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
15.88 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for São Mamede de Infesta?

Temperature & Precipitation

PM2.5 Trend

49h · 4 stations
PM2.515.88 µg/m³ ×1.1 WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for São Mamede de Infesta?

07-22
22.9° 16.8°
07-23
32.1° 17.6°
2.38 mm
07-24
24.1° 17.8°
07-25
26.0° 17.2°
07-26
26.0° 13.6°
07-27
26.8° 16.0°
0.25 mm
07-28
34.4° 18.1°
Both models agree Avg diff: 2.9°C

Where are air quality stations near São Mamede de Infesta?

68
Sobreiras-Lordelo do Ouro, Porto, Portugal
6.4 km PM2.5: 20.2 µg/m³
34
Sobreiras-Lordelo do Ouro, Porto, Portugal
6.4 km PM2.5: 8.2 µg/m³
21
AirGradient O-1PST
17.1 km 38.0°C 44.1% RH PM2.5: 5.0 µg/m³ PM10: 2.8 µg/m³
30
Paços de Ferreira, Paços de Ferreira, Portugal
21.7 km PM2.5: 7.2 µg/m³
30
Paços de Ferreira, Paços de Ferreira, Portugal
21.7 km PM2.5: 7.2 µg/m³

What cities are near São Mamede de Infesta?

58 São Tiago de Custoias 70 Paranhos 57 Leça do Bailio 60 Senhora da Hora 65 Águas Santas 68 Rio Tinto 72 Bomfim 64 Porto 71 Campanhã 54 Maia
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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 2026-07-22T07:51 UTC.