Air Quality Lab — Katsina, Nigeria
Air Quality Profile·
Katsina reports an annual PM2.5 of 54.0 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Katsina
Nigeria
NigeriaAnnual Average
Very UnhealthyWHO annual classification
54.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
101101 µg/m³ — Hazardous
111111 µg/m³ — Hazardous
6262 µg/m³ — Very Unhealthy
4747 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3333 µg/m³ — Poor
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
3232 µg/m³ — Poor
5151 µg/m³ — Very Unhealthy
5555 µg/m³ — Very Unhealthy
7171 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
101101 µg/m³ — Hazardous
111111 µg/m³ — Hazardous
6262 µg/m³ — Very Unhealthy
4747 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3333 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
3232 µg/m³ — Poor
5151 µg/m³ — Very Unhealthy
5555 µg/m³ — Very Unhealthy
7171 µg/m³ — Very Unhealthy
Best months: Jul–SepWorst months: Jan–Feb, Dec
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³Hazardous>75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Nigeria
Katsina: 54.0 µg/m³. Typical range in Nigeria: 37.1–48.1 µg/m³. Low anchor: Bonny, 25.7 µg/m³. High anchor: Jos, 64.6 µg/m³.
233 cities tracked