Air Quality in Santiago de Compostela, Spain
Overcast
15.6°C · 90.3% humidity
15.6°
Feels 15.6°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
Santiago de Compostela's air quality — share it
AQI Forecast
Calibrated
56
5am
56
56
52
8am
56
56
56
11am
56
56
56
2pm
36
36
36
5pm
36
36
56
8pm
56
56
56
11pm
56
56
68
2am
56
56
Station readings
44
CAMS model
adj +2
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
54
54
54
54
54
54
66
54
54
Air Quality Index Trend
4h · 2 stnSantiago de Compostela'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.
90.3%
Humidity
20.6 km/h
Wind S
1017.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.58 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Santiago de Compostela?
Temperature & Precipitation
PM2.5 Trend
4h · 2 stationsPM2.512.58 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
12.58
Median
12.33
Average
10.1
Low
15.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -2.6
What is the 7-day forecast for Santiago de Compostela?
07-22
23.6° 14.0°
0.06 mm
07-23
25.8° 16.5°
2.25 mm
07-24
21.5° 13.4°
0.13 mm
07-25
28.6° 11.6°
07-26
26.4° 10.7°
07-27
26.7° 13.4°
07-28
32.7° 13.9°
Both models agree
Avg diff: 3.6°C
Where are air quality stations near Santiago de Compostela?
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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 2026-07-22T06:45 UTC.