Air Quality Lab — Rancagua, Chile
Air Quality Profile·
Rancagua reports an annual PM2.5 of 30.2 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Rancagua
Chile
ChileAnnual Average
PoorWHO annual classification
30.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1818 µg/m³ — Moderate
1616 µg/m³ — Moderate
3131 µg/m³ — Poor
4545 µg/m³ — Unhealthy
5555 µg/m³ — Very Unhealthy
6060 µg/m³ — Very Unhealthy
4545 µg/m³ — Unhealthy
2828 µg/m³ — Poor
1919 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1818 µg/m³ — Moderate
1616 µg/m³ — Moderate
3131 µg/m³ — Poor
4545 µg/m³ — Unhealthy
5555 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
6060 µg/m³ — Very Unhealthy
4545 µg/m³ — Unhealthy
2828 µg/m³ — Poor
1919 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
Best months: Jan, Mar, 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
Rancagua: 30.2 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