Air Quality Lab — As Sulayyil, Saudi Arabia
Air Quality Profile·
As Sulayyil reports an annual PM2.5 of 44.9 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
As Sulayyil
Saudi Arabia
Saudi ArabiaAnnual Average
UnhealthyWHO annual classification
44.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5555 µg/m³ — Very Unhealthy
4242 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3434 µg/m³ — Poor
6363 µg/m³ — Very Unhealthy
4141 µg/m³ — Unhealthy
5858 µg/m³ — Very Unhealthy
5151 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
2929 µg/m³ — Poor
3636 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5555 µg/m³ — Very Unhealthy
4242 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3434 µg/m³ — Poor
6363 µg/m³ — Very Unhealthy
4141 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
5858 µg/m³ — Very Unhealthy
5151 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
2929 µg/m³ — Poor
3636 µg/m³ — Unhealthy
Best months: Apr, Nov–DecWorst months: Jan, May, 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 Saudi Arabia
As Sulayyil: 44.9 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