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.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
48 4am
61
61
52 7am
55
56
58 10am
59
59
60 1pm
60
40
41 4pm
41
41
41 7pm
61
61
61 10pm
61
61
61 1am
73
61
Station readings
48
CAMS model adj +7
54
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
54
54
54
54
54
54
66
54
AD 728×90

Air Quality Index Trend

4h · 2 stn

Santiago 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
PM2.5
52
12.53 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

4h · 2 stations
PM2.512.53 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
12.53
Median
11.8
Average
7.7
Low
15.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -2.5
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°
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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 2026-07-22T05:50 UTC.