Air Quality in Santo António, Portugal
Drizzle
19.9°C · 67.3% humidity
19.9°
Feels 19.9°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Santo António's air quality — share it
AQI Forecast
27
3pm
27
27
27
6pm
34
54
54
9pm
54
54
54
12am
54
54
54
3am
54
54
54
6am
54
54
54
9am
54
54
54
12pm
54
54
Air Quality Index Trend
29h · 1 stnSanto António'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.
67.3%
Humidity
20.4 km/h
Wind NW
1018.6 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Santo António?
Temperature & Precipitation
PM2.5 Trend
29h · 1 stationPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for Santo António?
06-09
20.4° 10.8°
0.13 mm
06-10
20.2° 10.9°
0.19 mm
06-11
26.6° 14.2°
06-12
20.9° 10.5°
06-13
25.5° 8.5°
0.69 mm
06-14
20.8° 9.7°
0.69 mm
06-15
20.0° 10.8°
0.06 mm
Both models agree
Avg diff: 4.4°C
Where are air quality stations near Santo António?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T17:09 UTC.