Air Quality Lab — Quito, Ecuador
Air Quality Profile
Quito reports an annual PM2.5 of 16.8 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Quito
Ecuador
EcuadorAnnual Average
ModerateWHO annual classification
16.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Moderate
1515 µg/m³ — Fair
1515 µg/m³ — Fair
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Moderate
1515 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1515 µg/m³ — Fair
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
Best months: May–JulWorst months: Feb–Mar, Sep
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 Ecuador
Quito: 16.8 µg/m³. Typical range in Ecuador: 13.1–17.5 µg/m³. Low anchor: Manta, 11.4 µg/m³. High anchor: Santa Rosa, 21.2 µg/m³.
64 cities tracked