Air Quality Lab — Donostia / San Sebastián, Spain
Air Quality Profile
Donostia / San Sebastián reports an annual PM2.5 of 9.3 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Donostia / San Sebastián
Spain
SpainAnnual Average
GoodWHO annual classification
9.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1212 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
9.99.9 µg/m³ — Good
8.78.7 µg/m³ — Good
7.37.3 µg/m³ — Good
8.48.4 µg/m³ — Good
8.08.0 µg/m³ — Good
7.37.3 µg/m³ — Good
9.09.0 µg/m³ — Good
9.29.2 µg/m³ — Good
8.48.4 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
1212 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
9.99.9 µg/m³ — Good
8.78.7 µg/m³ — Good
7.37.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
8.48.4 µg/m³ — Good
8.08.0 µg/m³ — Good
7.37.3 µg/m³ — Good
9.09.0 µg/m³ — Good
9.29.2 µg/m³ — Good
8.48.4 µg/m³ — Good
Best months: Jun, Aug–SepWorst months: Jan–Mar
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Spain
Donostia / San Sebastián: 9.3 µg/m³. Typical range in Spain: 8.2–9.8 µg/m³. Low anchor: Soria, 6.2 µg/m³. High anchor: Barcelona, 13.7 µg/m³.
437 cities tracked