Air Quality in Santarém, Portugal
Windy
17.0°C · 53.9% humidity
17.0°
Feels 17.0°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Santarém's air quality — share it
AQI Forecast
34
1pm
34
54
9
4pm
22
31
37
7pm
42
46
28
10pm
30
24
25
1am
25
26
26
4am
26
27
27
7am
27
27
34
10am
34
34
Air Quality Index Trend
19h · 1 stnSantarém'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.
53.9%
Humidity
88.2 km/h
Wind NW
1017.9 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.2 µg/m³
PM10▲
41.15 µg/m³
050100150200300500
What is the weather forecast for Santarém?
Temperature & Precipitation
PM2.5 Trend
19h · 1 stationPM2.52.2 µg/m³
✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (1 station within 25 km)
2.2
Median
2.2
Average
2.2
Low
2.2
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +11.3
What is the 7-day forecast for Santarém?
05-30
22.3° 14.5°
0.75 mm
05-31
20.3° 13.7°
4.69 mm
06-01
24.4° 14.4°
06-02
21.2° 13.0°
0.44 mm
06-03
28.6° 17.6°
1.12 mm
06-04
24.6° 15.0°
06-05
28.5° 16.2°
0.06 mm
Both models agree
Avg diff: 3.8°C
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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 2026-05-30T15:28 UTC.