Air Quality Lab — Xam Nua, Laos
Air Quality Profile·
Xam Nua reports an annual PM2.5 of 22.4 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Xam Nua
Laos
LaosAnnual Average
ModerateWHO annual classification
22.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2424 µg/m³ — Moderate
2929 µg/m³ — Poor
4141 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
1919 µg/m³ — Moderate
1515 µg/m³ — Fair
1515 µg/m³ — Fair
1313 µg/m³ — Fair
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2424 µg/m³ — Moderate
2929 µg/m³ — Poor
4141 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
1919 µg/m³ — Moderate
1515 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1515 µg/m³ — Fair
1313 µg/m³ — Fair
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
Best months: Jun–AugWorst months: Feb–Apr
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Laos
Xam Nua: 22.4 µg/m³. Typical range in Laos: 24.8–30.5 µg/m³. High anchor: Vientiane, 30.9 µg/m³.
11 cities tracked