Air Quality Lab — Kayes, Mali
Air Quality Profile·
Kayes reports an annual PM2.5 of 33.8 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Kayes
Mali
MaliAnnual Average
PoorWHO annual classification
33.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3636 µg/m³ — Unhealthy
5050 µg/m³ — Unhealthy
4949 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
3232 µg/m³ — Poor
2121 µg/m³ — Moderate
1616 µg/m³ — Moderate
1919 µg/m³ — Moderate
3434 µg/m³ — Poor
3131 µg/m³ — Poor
3535 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3636 µg/m³ — Unhealthy
5050 µg/m³ — Unhealthy
4949 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
3232 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2121 µg/m³ — Moderate
1616 µg/m³ — Moderate
1919 µg/m³ — Moderate
3434 µg/m³ — Poor
3131 µg/m³ — Poor
3535 µg/m³ — Poor
Best months: Jul–SepWorst months: Feb–Mar, May
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Mali
Kayes: 33.8 µg/m³. Typical range in Mali: 27.0–32.4 µg/m³. Low anchor: Kangaba, 23.4 µg/m³. High anchor: Bamako, 38.6 µg/m³.
47 cities tracked