Air Quality Lab — Pakxan, Laos
Air Quality Profile·
Pakxan reports an annual PM2.5 of 28.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Pakxan
Laos
LaosAnnual Average
PoorWHO annual classification
28.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2929 µg/m³ — Poor
3636 µg/m³ — Unhealthy
5050 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
3030 µg/m³ — Poor
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
2727 µg/m³ — Poor
2828 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
2929 µg/m³ — Poor
3636 µg/m³ — Unhealthy
5050 µg/m³ — Very Unhealthy
4343 µg/m³ — Unhealthy
3030 µg/m³ — Poor
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1616 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
2727 µg/m³ — Poor
2828 µg/m³ — Poor
Best months: Jun–AugWorst months: 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 Laos
Pakxan: 28.5 µg/m³. Typical range in Laos: 24.8–30.5 µg/m³. Low anchor: Xam Nua, 22.4 µg/m³. High anchor: Vientiane, 30.9 µg/m³.
11 cities tracked