What is the air quality in Donostia / San Sebastián today?

The current Air Quality Index (AQI) in Donostia / San Sebastián is 31 (Good). PM2.5 concentration is 7.53 µg/m³.

What is the temperature in Donostia / San Sebastián right now?

The current temperature in Donostia / San Sebastián is 16.6°C (feels like 16.6°C). Humidity is 59.9% and wind speed is 39.5 km/h.

Is it safe to go outside in Donostia / San Sebastián?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Donostia / San Sebastián, Spain

Partly Cloudy

16.6°C · 59.9% humidity

16.6°

Feels 16.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 6 stn

View full history →

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.

59.9%

Humidity

39.5 km/h

Wind NNW

1022.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.53 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Donostia / San Sebastián?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations

PM2.57.53 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

7.53

Median

6.5

Average

5.0

Low

8.2

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -1.5

What is the 7-day forecast for Donostia / San Sebastián?

10-21

16.6° 7.2°

3.94 mm

10-22

24.4° 11.2°

1.56 mm

10-23

14.9° 9.1°

5.25 mm

10-24

12.8° 9.7°

1.5 mm

10-25

25.3° 11.7°

0.19 mm

10-26

13.5° 9.3°

3.06 mm

10-27

17.7° 6.9°

8.87 mm

Both models agree Avg diff: 3.9°C

Where are air quality stations near Donostia / San Sebastián?

Puyo, San Sebastián, Donostia, País Vasco, Spain

1.4 km PM2.5: 10.8 µg/m³

Ategorrieta, San Sebastián, Donostia, País Vasco, Spain

1.5 km PM2.5: 8.2 µg/m³

Añorga, San Sebastián, Donostia, País Vasco, Spain

3.0 km PM2.5: 4.3 µg/m³

Lezo, País Vasco, Spain

6.1 km PM2.5: 3.6 µg/m³

Lezo, País Vasco, Spain

6.1 km PM2.5: 8.2 µg/m³

Lezo, País Vasco, Spain

6.1 km PM2.5: 5.3 µg/m³

Lezo, País Vasco, Spain

6.1 km PM2.5: 5.8 µg/m³

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ZUBIETA METEO

7.8 km 60.0% RH

Pagoeta, Aia, País Vasco, Spain

16.1 km PM2.5: 13.1 µg/m³

Tolosa, País Vasco, Spain

21.9 km PM2.5: 9.1 µg/m³

What cities are near Donostia / San Sebastián?

30 Pasaia 25 Hernani 29 Errenteria 25 Lasarte 25 Oria 30 Irun 30 Hondarribia 26 Zarautz 21 Tolosa 34 Biarritz

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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 2026-10-21T12:32 UTC.