Air Quality Lab — San Andrés, Colombia
Air Quality Profile·
San Andrés reports an annual PM2.5 of 6.0 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
San Andrés
Colombia
ColombiaAnnual Average
GoodWHO annual classification
6.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3.43.4 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
7.07.0 µg/m³ — Good
7.27.2 µg/m³ — Good
9.89.8 µg/m³ — Good
9.99.9 µg/m³ — Good
9.49.4 µg/m³ — Good
5.75.7 µg/m³ — Good
4.04.0 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
3.43.4 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
7.07.0 µg/m³ — Good
7.27.2 µg/m³ — Good
9.89.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
9.99.9 µg/m³ — Good
9.49.4 µg/m³ — Good
5.75.7 µg/m³ — Good
4.04.0 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
Best months: Jan, Nov–DecWorst months: Jun–Aug
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Colombia
San Andrés: 6.0 µg/m³. Typical range in Colombia: 14.9–17.6 µg/m³. Low anchor: Pasto, 11.7 µg/m³. High anchor: Barranquilla, 23.2 µg/m³.
293 cities tracked