Air Quality Lab — Atar, Mauritania
Air Quality Profile·
Atar reports an annual PM2.5 of 36.8 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Atar
Mauritania
MauritaniaAnnual Average
UnhealthyWHO annual classification
36.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3636 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
2727 µg/m³ — Poor
3333 µg/m³ — Poor
5959 µg/m³ — Very Unhealthy
4848 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3030 µg/m³ — Poor
2828 µg/m³ — Poor
2626 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3636 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
2727 µg/m³ — Poor
3333 µg/m³ — Poor
5959 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4848 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3030 µg/m³ — Poor
2828 µg/m³ — Poor
2626 µg/m³ — Poor
Best months: Apr, Nov–DecWorst months: Feb, Jun–Jul
Poor25–35 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 Mauritania
Atar: 36.8 µg/m³. Typical range in Mauritania: 31.9–36.8 µg/m³. Low anchor: Néma, 27.0 µg/m³. High anchor: Nouakchott, 38.1 µg/m³.
20 cities tracked