Air Quality in Santiago de Compostela, Spain
Clear
31.3°C · 24.5% humidity
31.3°
Feels 31.3°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
59
12pm
63
71
61
3pm
67
72
75
6pm
77
79
80
9pm
81
81
82
12am
82
82
83
3am
83
83
83
6am
83
83
83
9am
83
83
Station readings
59
68
71
75
CAMS model
adj +29
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
Air Quality Index Trend
37h · 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. Current PM2.5 concentration in Santiago de Compostela is 1.1× the WHO 24-hour guideline of 15 µg/m³.
24.5%
Humidity
23.7 km/h
Wind NNW
1015.3 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.85 µg/m³
PM10
48.05 µg/m³
050100150200300500
What is the weather forecast for Santiago de Compostela?
Temperature & Precipitation
PM2.5 Trend
37h · 2 stationsPM2.516.85 µg/m³
×1.1 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (3 stations within 25 km)
16.85
Median
16.37
Average
12.0
Low
22.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -3.3
What is the 7-day forecast for Santiago de Compostela?
09-05
31.3° 12.7°
09-06
24.0° 13.3°
09-07
28.1° 15.3°
09-08
19.7° 13.5°
2.0 mm
09-09
28.9° 12.4°
09-10
27.2° 16.0°
09-11
22.9° 14.2°
0.5 mm
Both models agree
Avg diff: 3.6°C
Where are air quality stations near Santiago de Compostela?
72
Campus, Santiago, Galicia, Spain
76
Campus, Santiago, Galicia, Spain
74
San Caetano, Santiago, Galicia, Spain
What cities are 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 2026-09-05T13:45 UTC.