Air Quality Lab — Kabala, Sierra Leone
Air Quality Profile·
Kabala reports an annual PM2.5 of 26.8 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Kabala
Sierra Leone
Sierra LeoneAnnual Average
PoorWHO annual classification
26.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4747 µg/m³ — Unhealthy
5151 µg/m³ — Very Unhealthy
4242 µg/m³ — Unhealthy
3232 µg/m³ — Poor
2424 µg/m³ — Moderate
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1919 µg/m³ — Moderate
2626 µg/m³ — Poor
3131 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
4747 µg/m³ — Unhealthy
5151 µg/m³ — Very Unhealthy
4242 µg/m³ — Unhealthy
3232 µg/m³ — Poor
2424 µg/m³ — Moderate
1515 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1919 µg/m³ — Moderate
2626 µg/m³ — Poor
3131 µg/m³ — Poor
Best months: Jul–SepWorst months: Jan–Mar
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 Sierra Leone
Kabala: 26.8 µg/m³. Typical range in Sierra Leone: 23.7–26.5 µg/m³. Low anchor: Bumpe, 23.3 µg/m³. High anchor: Freetown, 27.9 µg/m³.
12 cities tracked