Air Quality Lab — Lima, Peru
Air Quality Profile
Lima reports an annual PM2.5 of 26.7 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Lima
Peru
PeruAnnual Average
PoorWHO annual classification
26.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2222 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
2525 µg/m³ — Poor
2929 µg/m³ — Poor
3030 µg/m³ — Poor
2929 µg/m³ — Poor
3030 µg/m³ — Poor
3030 µg/m³ — Poor
2727 µg/m³ — Poor
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2222 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
2525 µg/m³ — Poor
2929 µg/m³ — Poor
3030 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2929 µg/m³ — Poor
3030 µg/m³ — Poor
3030 µg/m³ — Poor
2727 µg/m³ — Poor
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
Best months: Jan–Feb, DecWorst months: Jun, Aug–Sep
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Peru
Lima: 26.7 µg/m³. Typical range in Peru: 14.0–16.6 µg/m³. Low anchor: Chimbote, 12.1 µg/m³.
109 cities tracked