Air Quality in Santiago de Compostela, Spain
Windy
21.4°C · 54.2% humidity
21.4°
Feels 21.4°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Santiago de Compostela's air quality — share it
AQI Forecast
Calibrated
37
3am
30
36
38
6am
37
37
37
9am
17
10
10
12pm
10
10
8
3pm
8
8
8
6pm
8
10
8
9pm
10
10
10
12am
10
17
Station readings
30
36
CAMS model
adj -17
54
54
54
54
54
54
54
34
27
27
27
27
25
25
25
25
25
27
25
27
27
27
27
34
Air Quality Index Trend
22h · 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.
54.2%
Humidity
41.9 km/h
Wind N
1019.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.15 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Santiago de Compostela?
Temperature & Precipitation
PM2.5 Trend
22h · 2 stationsPM2.59.15 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
9.15
Median
8.75
Average
6.5
Low
11.0
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +0.6
What is the 7-day forecast for Santiago de Compostela?
08-03
40.3° 12.8°
1.88 mm
08-04
34.3° 14.3°
08-05
25.4° 15.1°
08-06
24.7° 10.0°
08-07
30.9° 12.1°
0.5 mm
08-08
20.7° 12.9°
0.06 mm
08-09
24.8° 12.4°
0.44 mm
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 2026-08-08T04:04 UTC.