Air Quality Lab — Barcelona, Spain
Air Quality Profile
Barcelona reports an annual PM2.5 of 13.7 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Barcelona
Spain
SpainAnnual Average
FairWHO annual classification
13.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1414 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
Best months: Jan, Apr, OctWorst months: Feb–Mar, Dec
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Spain
Barcelona: 13.7 µg/m³. Typical range in Spain: 8.2–9.8 µg/m³. Low anchor: Soria, 6.2 µg/m³.
437 cities tracked