Air Quality Lab — Thuwal, Saudi Arabia
Air Quality Profile·
Thuwal reports an annual PM2.5 of 68.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Thuwal
Saudi Arabia
Saudi ArabiaAnnual Average
Very UnhealthyWHO annual classification
68.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5252 µg/m³ — Very Unhealthy
8383 µg/m³ — Hazardous
9393 µg/m³ — Hazardous
8181 µg/m³ — Hazardous
6161 µg/m³ — Very Unhealthy
7272 µg/m³ — Very Unhealthy
6161 µg/m³ — Very Unhealthy
6060 µg/m³ — Very Unhealthy
5555 µg/m³ — Very Unhealthy
7373 µg/m³ — Very Unhealthy
7272 µg/m³ — Very Unhealthy
5959 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5252 µg/m³ — Very Unhealthy
8383 µg/m³ — Hazardous
9393 µg/m³ — Hazardous
8181 µg/m³ — Hazardous
6161 µg/m³ — Very Unhealthy
7272 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
6161 µg/m³ — Very Unhealthy
6060 µg/m³ — Very Unhealthy
5555 µg/m³ — Very Unhealthy
7373 µg/m³ — Very Unhealthy
7272 µg/m³ — Very Unhealthy
5959 µg/m³ — Very Unhealthy
Best months: Jan, Sep, DecWorst months: Feb–Apr
Very 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 Saudi Arabia
Thuwal: 68.5 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