Air Quality Lab — León, Spain
Air Quality Profile·
León reports an annual PM2.5 of 7.3 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
León
Spain
SpainAnnual Average
GoodWHO annual classification
7.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
9.49.4 µg/m³ — Good
8.18.1 µg/m³ — Good
8.38.3 µg/m³ — Good
7.77.7 µg/m³ — Good
6.76.7 µg/m³ — Good
7.57.5 µg/m³ — Good
7.07.0 µg/m³ — Good
6.56.5 µg/m³ — Good
6.46.4 µg/m³ — Good
6.76.7 µg/m³ — Good
5.65.6 µg/m³ — Good
7.77.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
9.49.4 µg/m³ — Good
8.18.1 µg/m³ — Good
8.38.3 µg/m³ — Good
7.77.7 µg/m³ — Good
6.76.7 µg/m³ — Good
7.57.5 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.07.0 µg/m³ — Good
6.56.5 µg/m³ — Good
6.46.4 µg/m³ — Good
6.76.7 µg/m³ — Good
5.65.6 µg/m³ — Good
7.77.7 µg/m³ — Good
Best months: Aug–Sep, NovWorst months: Jan–Mar
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Spain
León: 7.3 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