Air Quality Lab — Busia, Kenya
Air Quality Profile·
Busia reports an annual PM2.5 of 23.1 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Busia
Kenya
KenyaAnnual Average
ModerateWHO annual classification
23.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2929 µg/m³ — Poor
2828 µg/m³ — Poor
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
2121 µg/m³ — Moderate
2929 µg/m³ — Poor
3030 µg/m³ — Poor
1919 µg/m³ — Moderate
1717 µg/m³ — Moderate
2525 µg/m³ — Moderate
2424 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2929 µg/m³ — Poor
2828 µg/m³ — Poor
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
2121 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2929 µg/m³ — Poor
3030 µg/m³ — Poor
1919 µg/m³ — Moderate
1717 µg/m³ — Moderate
2525 µg/m³ — Moderate
2424 µg/m³ — Moderate
Best months: Apr–May, OctWorst months: Jan, Jul–Aug
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 Kenya
Busia: 23.1 µg/m³. Typical range in Kenya: 14.7–22.1 µg/m³. Low anchor: El Wak, 10.5 µg/m³. High anchor: Nakuru, 26.7 µg/m³.
113 cities tracked