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
AD 728×90

Air Quality Index Trend

45h · 14 stn

Donostia / 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▲
42
10.02 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Donostia / San Sebastián?

Temperature & Precipitation

PM2.5 Trend

45h · 14 stations
PM2.510.02 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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
0.5 km PM2.5: 10.1 µg/m³
53
Puyo, San Sebastián, Donostia, País Vasco, Spain
1.4 km PM2.5: 13.1 µg/m³
30
Puyo, San Sebastián, Donostia, País Vasco, Spain
1.4 km PM2.5: 7.2 µg/m³
34
Avda. Tolosa, San Sebastián, Donostia, País Vasco, Spain
2.9 km PM2.5: 8.2 µg/m³
34
Avda. Tolosa, San Sebastián, Donostia, País Vasco, Spain
2.9 km PM2.5: 8.2 µg/m³
38
Añorga, San Sebastián, Donostia, País Vasco, Spain
3.0 km PM2.5: 9.1 µg/m³
42
Añorga, San Sebastián, Donostia, País Vasco, Spain
3.0 km PM2.5: 10.1 µg/m³
29
Lasarte-oria, Lasarte-Oria, País Vasco, Spain
6.1 km PM2.5: 7.0 µg/m³
38
Lezo, País Vasco, Spain
6.1 km PM2.5: 9.1 µg/m³
27
Zubieta, San Sebastián, Donostia, País Vasco, Spain
6.4 km PM2.5: 6.5 µg/m³

What cities are near Donostia / San Sebastián?

38 Pasaia 37 Hernani 38 Errenteria 29 Lasarte 31 Oria 37 Irun 37 Hondarribia 51 Zarautz 38 Tolosa 41 Biarritz
Get AQI alerts for Donostia / San Sebastián

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

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.