Air Quality Lab — Hetauda, Nepal
Air Quality Profile·
Hetauda reports an annual PM2.5 of 35.8 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Hetauda
Nepal
NepalAnnual Average
UnhealthyWHO annual classification
35.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4343 µg/m³ — Unhealthy
5454 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
4848 µg/m³ — Unhealthy
3030 µg/m³ — Poor
3232 µg/m³ — Poor
2626 µg/m³ — Poor
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
2626 µg/m³ — Poor
4242 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4343 µg/m³ — Unhealthy
5454 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
4848 µg/m³ — Unhealthy
3030 µg/m³ — Poor
3232 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2626 µg/m³ — Poor
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
2626 µg/m³ — Poor
4242 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
Best months: Jul–SepWorst months: Jan–Feb, Apr
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 Nepal
Hetauda: 35.8 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