Air Quality Lab — Qacha’s Nek, Lesotho
Air Quality Profile·
Qacha’s Nek reports an annual PM2.5 of 35.0 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Qacha’s Nek
Lesotho
LesothoAnnual Average
PoorWHO annual classification
35.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1818 µg/m³ — Moderate
2121 µg/m³ — Moderate
2727 µg/m³ — Poor
4646 µg/m³ — Unhealthy
5959 µg/m³ — Very Unhealthy
6767 µg/m³ — Very Unhealthy
6161 µg/m³ — Very Unhealthy
5252 µg/m³ — Very Unhealthy
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1818 µg/m³ — Moderate
2121 µg/m³ — Moderate
2727 µg/m³ — Poor
4646 µg/m³ — Unhealthy
5959 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
6767 µg/m³ — Very Unhealthy
6161 µg/m³ — Very Unhealthy
5252 µg/m³ — Very Unhealthy
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
Best months: Jan–Feb, NovWorst months: Jun–Aug
Fair10–15 µg/m³Moderate15–25 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 Lesotho
Qacha’s Nek: 35.0 µg/m³. Typical range in Lesotho: 28.2–32.7 µg/m³. Low anchor: Maputsoe, 23.3 µg/m³. High anchor: Thaba-Tseka, 39.5 µg/m³.
10 cities tracked