Air Quality Lab — N'Djamena, Chad
Air Quality Profile·
N'Djamena reports an annual PM2.5 of 48.6 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
N'Djamena
Chad
ChadAnnual Average
UnhealthyWHO annual classification
48.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7777 µg/m³ — Hazardous
8787 µg/m³ — Hazardous
9191 µg/m³ — Hazardous
5555 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
3333 µg/m³ — Poor
2424 µg/m³ — Moderate
2626 µg/m³ — Poor
2525 µg/m³ — Poor
3838 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
7777 µg/m³ — Hazardous
8787 µg/m³ — Hazardous
9191 µg/m³ — Hazardous
5555 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
3333 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2424 µg/m³ — Moderate
2626 µg/m³ — Poor
2525 µg/m³ — Poor
3838 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
Best months: Jul–SepWorst months: Jan–Mar
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 Chad
N'Djamena: 48.6 µg/m³. Typical range in Chad: 29.3–36.8 µg/m³. Low anchor: Goz Beida, 23.9 µg/m³. High anchor: Mao, 59.8 µg/m³.
45 cities tracked