Air Quality in Donostia / San Sebastián, Spain
Drizzle
10.3°C · 86.8% humidity
10.3°
Feels 10.3°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations
Nearby Monitoring Stations
Donostia / San Sebastián's air quality — share it
AQI Forecast
54
12am
54
54
45
3am
48
29
31
6am
32
32
33
9am
33
33
34
12pm
54
54
54
3pm
54
54
54
6pm
54
54
54
9pm
54
34
Air Quality Index Trend
47h · 3 stnDonostia / San Sebastián'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.
86.8%
Humidity
40.7 km/h
Wind S
1006.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.67 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Donostia / San Sebastián?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.510.67 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
Station readings (6 stations within 25 km)
10.67
Median
9.87
Average
6.7
Low
12.6
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +2.8
What is the 7-day forecast for Donostia / San Sebastián?
05-30
17.7° 10.3°
0.88 mm
05-31
24.8° 13.4°
4.25 mm
06-01
28.0° 10.1°
0.06 mm
06-02
13.1° 11.6°
22.06 mm
06-03
18.7° 13.1°
4.5 mm
06-04
29.3° 11.3°
1.25 mm
06-05
23.5° 10.6°
Both models agree
Avg diff: 4.3°C
Where are air quality stations near Donostia / San Sebastián?
28
Hernani, País Vasco, Spain
44
Zubieta, San Sebastián, Donostia, País Vasco, Spain
53
Usurbil, País Vasco, Spain
–
ZUBIETA METEO
54
Andoain, País Vasco, Spain
52
Pagoeta, Aia, País Vasco, Spain
18
Tolosa, País Vasco, Spain
What cities are near Donostia / San Sebastián?
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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 2026-05-30T01:58 UTC.