Air Quality in Santo António dos Olivais, Portugal
Overcast
17.0°C · 90.4% humidity
17.0°
Feels 17.0°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
66
5am
66
66
68
8am
54
54
54
11am
54
54
34
2pm
34
34
34
5pm
34
34
34
8pm
27
34
34
11pm
54
54
54
2am
54
54
Air Quality Index Trend
26h · 1 stnSanto António dos Olivais'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 Santo António dos Olivais is 1.4× the WHO 24-hour guideline of 15 µg/m³.
90.4%
Humidity
12.4 km/h
Wind NE
1018.7 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
20.37 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Santo António dos Olivais?
Temperature & Precipitation
PM2.5 Trend
26h · 1 stationPM2.520.37 µg/m³
×1.4 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Santo António dos Olivais?
07-22
28.5° 15.3°
07-23
35.8° 15.3°
0.56 mm
07-24
26.9° 13.7°
07-25
28.6° 13.4°
07-26
27.3° 11.0°
07-27
28.8° 13.7°
07-28
37.7° 14.7°
Both models agree
Avg diff: 3.1°C
What cities are near Santo António dos Olivais?
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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.