Air Quality Lab — Osorno, Chile
Air Quality Profile·
Osorno reports an annual PM2.5 of 27.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Osorno
Chile
ChileAnnual Average
PoorWHO annual classification
27.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1313 µg/m³ — Fair
2222 µg/m³ — Moderate
4343 µg/m³ — Unhealthy
5454 µg/m³ — Very Unhealthy
5454 µg/m³ — Very Unhealthy
4040 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
1818 µg/m³ — Moderate
1313 µg/m³ — Fair
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1313 µg/m³ — Fair
2222 µg/m³ — Moderate
4343 µg/m³ — Unhealthy
5454 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
5454 µg/m³ — Very Unhealthy
4040 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
1818 µg/m³ — Moderate
1313 µg/m³ — Fair
1414 µg/m³ — Fair
Best months: Jan–Feb, NovWorst months: May–Jul
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Chile
Osorno: 27.5 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