Air Quality Lab — Ayorou, Niger
Air Quality Profile·
Ayorou reports an annual PM2.5 of 36.9 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Ayorou
Niger
NigerAnnual Average
UnhealthyWHO annual classification
36.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4040 µg/m³ — Unhealthy
6060 µg/m³ — Very Unhealthy
5656 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3333 µg/m³ — Poor
2323 µg/m³ — Moderate
1717 µg/m³ — Moderate
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
3131 µg/m³ — Poor
4343 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4040 µg/m³ — Unhealthy
6060 µg/m³ — Very Unhealthy
5656 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3333 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2323 µg/m³ — Moderate
1717 µg/m³ — Moderate
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
3131 µg/m³ — Poor
4343 µg/m³ — Unhealthy
Best months: Jul–SepWorst months: Feb–Apr
Moderate15–25 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 Niger
Ayorou: 36.9 µg/m³. Typical range in Niger: 37.5–57.7 µg/m³. Low anchor: Agadez, 33.8 µg/m³. High anchor: Magaria, 67.3 µg/m³.
39 cities tracked