Air Quality in Donostia / San Sebastián, Spain
Drizzle
15.6°C · 89.2% humidity
15.6°
Feels 15.6°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations
Nearby Monitoring Stations
AQI Forecast
54
6pm
54
54
42
9pm
45
48
50
12am
51
52
25
3am
26
26
26
6am
27
27
27
9am
34
34
54
12pm
54
54
54
3pm
54
54
Air Quality Index Trend
45h · 14 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.
89.2%
Humidity
19.5 km/h
Wind W
1022.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.02 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Donostia / San Sebastián?
Temperature & Precipitation
PM2.5 Trend
45h · 14 stationsPM2.510.02 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
Station readings (11 stations within 25 km)
10.02
Median
9.15
Average
5.8
Low
15.9
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +3.5
What is the 7-day forecast for Donostia / San Sebastián?
09-05
27.9° 15.5°
1.37 mm
09-06
21.8° 15.3°
4.69 mm
09-07
28.2° 14.3°
1.31 mm
09-08
21.4° 15.4°
3.56 mm
09-09
24.2° 12.8°
0.5 mm
09-10
24.4° 15.8°
09-11
22.4° 14.4°
2.87 mm
Both models agree
Avg diff: 4.5°C
Where are air quality stations near Donostia / San Sebastián?
42
Easo, San Sebastián, Donostia, País Vasco, Spain
53
Puyo, San Sebastián, Donostia, País Vasco, Spain
30
Puyo, San Sebastián, Donostia, País Vasco, Spain
34
Avda. Tolosa, San Sebastián, Donostia, País Vasco, Spain
34
Avda. Tolosa, San Sebastián, Donostia, País Vasco, Spain
38
Añorga, San Sebastián, Donostia, País Vasco, Spain
42
Añorga, San Sebastián, Donostia, País Vasco, Spain
29
Lasarte-oria, Lasarte-Oria, País Vasco, Spain
38
Lezo, País Vasco, Spain
27
Zubieta, San Sebastián, Donostia, 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 2026-09-05T19:42 UTC.