Air Quality Lab — La Serena, Chile
Air Quality Profile
La Serena reports an annual PM2.5 of 14.5 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
La Serena
Chile
ChileAnnual Average
FairWHO annual classification
14.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1919 µg/m³ — Moderate
1919 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1919 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1919 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
Best months: Feb–Mar, OctWorst months: Jun–Aug
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 Chile
La Serena: 14.5 µg/m³. Typical range in Chile: 15.3–20.5 µg/m³. Low anchor: Coquimbo, 13.9 µg/m³. High anchor: Santiago, 27.5 µg/m³.
87 cities tracked