Air Quality Lab — Ma'rib, Yemen
Air Quality Profile·
Ma'rib reports an annual PM2.5 of 38.3 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Ma'rib
Yemen
YemenAnnual Average
UnhealthyWHO annual classification
38.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4949 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
3737 µg/m³ — Unhealthy
3434 µg/m³ — Poor
4444 µg/m³ — Unhealthy
5454 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
3535 µg/m³ — Poor
2929 µg/m³ — Poor
2525 µg/m³ — Moderate
3030 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
4949 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
3737 µg/m³ — Unhealthy
3434 µg/m³ — Poor
4444 µg/m³ — Unhealthy
5454 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4343 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
3535 µg/m³ — Poor
2929 µg/m³ — Poor
2525 µg/m³ — Moderate
3030 µg/m³ — Poor
Best months: Oct–DecWorst months: Jan, May–Jun
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 Yemen
Ma'rib: 38.3 µg/m³. Typical range in Yemen: 26.3–35.9 µg/m³. Low anchor: Aden, 21.4 µg/m³. High anchor: Al Ḩudaydah, 39.0 µg/m³.
23 cities tracked