Air Quality Lab — Mao, Chad
Air Quality Profile·
Mao reports an annual PM2.5 of 59.8 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Mao
Chad
ChadAnnual Average
Very UnhealthyWHO annual classification
59.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7676 µg/m³ — Hazardous
127127 µg/m³ — Hazardous
117117 µg/m³ — Hazardous
7373 µg/m³ — Very Unhealthy
4747 µg/m³ — Unhealthy
4646 µg/m³ — Unhealthy
3434 µg/m³ — Poor
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
4141 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
7070 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
7676 µg/m³ — Hazardous
127127 µg/m³ — Hazardous
117117 µg/m³ — Hazardous
7373 µg/m³ — Very Unhealthy
4747 µg/m³ — Unhealthy
4646 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
3434 µg/m³ — Poor
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
4141 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
7070 µg/m³ — Very 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
Mao: 59.8 µg/m³. Typical range in Chad: 29.3–36.8 µg/m³. Low anchor: Goz Beida, 23.9 µg/m³. High anchor: N'Djamena, 48.6 µg/m³.
45 cities tracked