Air Quality Lab — Dharān, Nepal
Air Quality Profile·
Dharān reports an annual PM2.5 of 42.9 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Dharān
Nepal
NepalAnnual Average
UnhealthyWHO annual classification
42.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
6565 µg/m³ — Very Unhealthy
7171 µg/m³ — Very Unhealthy
4747 µg/m³ — Unhealthy
5151 µg/m³ — Very Unhealthy
4040 µg/m³ — Unhealthy
3535 µg/m³ — Poor
3131 µg/m³ — Poor
2929 µg/m³ — Poor
2626 µg/m³ — Poor
2525 µg/m³ — Poor
4646 µg/m³ — Unhealthy
5050 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
6565 µg/m³ — Very Unhealthy
7171 µg/m³ — Very Unhealthy
4747 µg/m³ — Unhealthy
5151 µg/m³ — Very Unhealthy
4040 µg/m³ — Unhealthy
3535 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3131 µg/m³ — Poor
2929 µg/m³ — Poor
2626 µg/m³ — Poor
2525 µg/m³ — Poor
4646 µg/m³ — Unhealthy
5050 µg/m³ — Very Unhealthy
Best months: Aug–OctWorst months: Jan–Feb, Apr
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 Nepal
Dharān: 42.9 µg/m³. Typical range in Nepal: 31.0–45.5 µg/m³. Low anchor: Dārchulā, 22.5 µg/m³. High anchor: Gaur, 55.8 µg/m³.
40 cities tracked