Air Quality Lab — Las Piedras, Uruguay
Air Quality Profile·
Las Piedras reports an annual PM2.5 of 12.2 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Las Piedras
Uruguay
UruguayAnnual Average
FairWHO annual classification
12.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1010 µg/m³ — Fair
1010 µg/m³ — Fair
9.59.5 µg/m³ — Good
9.99.9 µg/m³ — Good
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1313 µg/m³ — Fair
9.29.2 µg/m³ — Good
1010 µg/m³ — Fair
1212 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1010 µg/m³ — Fair
1010 µg/m³ — Fair
9.59.5 µg/m³ — Good
9.99.9 µg/m³ — Good
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1313 µg/m³ — Fair
9.29.2 µg/m³ — Good
1010 µg/m³ — Fair
1212 µg/m³ — Fair
Best months: Mar–Apr, OctWorst months: Jun–Aug
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Uruguay
Las Piedras: 12.2 µg/m³. Typical range in Uruguay: 9.8–11.3 µg/m³. Low anchor: Melo, 8.4 µg/m³. High anchor: Montevideo, 13.1 µg/m³.
29 cities tracked