Air Quality Lab — Najrān, Saudi Arabia
Air Quality Profile·
Najrān reports an annual PM2.5 of 38.2 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Najrān
Saudi Arabia
Saudi ArabiaAnnual Average
UnhealthyWHO annual classification
38.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2929 µg/m³ — Poor
4040 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
5757 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
4141 µg/m³ — Unhealthy
4747 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
2222 µg/m³ — Moderate
2626 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
2929 µg/m³ — Poor
4040 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
5757 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4343 µg/m³ — Unhealthy
4141 µg/m³ — Unhealthy
4747 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
2222 µg/m³ — Moderate
2626 µg/m³ — Poor
Best months: Jan, Nov–DecWorst months: Jun–Jul, Sep
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 Saudi Arabia
Najrān: 38.2 µg/m³. Typical range in Saudi Arabia: 38.2–67.3 µg/m³. Low anchor: Duba, 25.0 µg/m³. High anchor: Riyadh, 81.0 µg/m³.
65 cities tracked