Air Quality Lab — Nizwá, Oman
Air Quality Profile·
Nizwá reports an annual PM2.5 of 43.1 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Nizwá
Oman
OmanAnnual Average
UnhealthyWHO annual classification
43.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2929 µg/m³ — Poor
4040 µg/m³ — Unhealthy
4444 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
6060 µg/m³ — Very Unhealthy
5858 µg/m³ — Very Unhealthy
5454 µg/m³ — Very Unhealthy
5656 µg/m³ — Very Unhealthy
4242 µg/m³ — Unhealthy
3333 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2727 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
2929 µg/m³ — Poor
4040 µg/m³ — Unhealthy
4444 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
6060 µg/m³ — Very Unhealthy
5858 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
5454 µg/m³ — Very Unhealthy
5656 µg/m³ — Very Unhealthy
4242 µg/m³ — Unhealthy
3333 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2727 µg/m³ — Poor
Best months: Jan, Oct, DecWorst months: May–Jun, Aug
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 Oman
Nizwá: 43.1 µg/m³. Typical range in Oman: 33.7–39.4 µg/m³. Low anchor: Khasab, 22.0 µg/m³. High anchor: Al Buraymī, 53.9 µg/m³.
25 cities tracked