Air Quality Lab — Saint Pierre, Mauritius
Air Quality Profile·
Saint Pierre reports an annual PM2.5 of 7.3 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Saint Pierre
Mauritius
MauritiusAnnual Average
GoodWHO annual classification
7.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.48.4 µg/m³ — Good
7.07.0 µg/m³ — Good
8.38.3 µg/m³ — Good
6.36.3 µg/m³ — Good
6.26.2 µg/m³ — Good
5.95.9 µg/m³ — Good
6.66.6 µg/m³ — Good
7.07.0 µg/m³ — Good
6.76.7 µg/m³ — Good
8.68.6 µg/m³ — Good
8.08.0 µg/m³ — Good
9.29.2 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.48.4 µg/m³ — Good
7.07.0 µg/m³ — Good
8.38.3 µg/m³ — Good
6.36.3 µg/m³ — Good
6.26.2 µg/m³ — Good
5.95.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.66.6 µg/m³ — Good
7.07.0 µg/m³ — Good
6.76.7 µg/m³ — Good
8.68.6 µg/m³ — Good
8.08.0 µg/m³ — Good
9.29.2 µg/m³ — Good
Best months: Apr–JunWorst months: Jan, Oct, Dec
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Mauritius
Saint Pierre: 7.3 µg/m³. Typical range in Mauritius: 7.3–11.1 µg/m³. Low anchor: Triolet, 6.4 µg/m³. High anchor: Port Louis, 11.9 µg/m³.
8 cities tracked