Air Quality Lab — Saint Peter Port, Guernsey
Air Quality Profile·
Saint Peter Port reports an annual PM2.5 of 6.6 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Saint Peter Port
Guernsey
GuernseyAnnual Average
GoodWHO annual classification
6.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.18.1 µg/m³ — Good
6.16.1 µg/m³ — Good
6.76.7 µg/m³ — Good
8.78.7 µg/m³ — Good
7.87.8 µg/m³ — Good
6.06.0 µg/m³ — Good
5.15.1 µg/m³ — Good
6.36.3 µg/m³ — Good
5.75.7 µg/m³ — Good
6.06.0 µg/m³ — Good
5.85.8 µg/m³ — Good
7.37.3 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.18.1 µg/m³ — Good
6.16.1 µg/m³ — Good
6.76.7 µg/m³ — Good
8.78.7 µg/m³ — Good
7.87.8 µg/m³ — Good
6.06.0 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.15.1 µg/m³ — Good
6.36.3 µg/m³ — Good
5.75.7 µg/m³ — Good
6.06.0 µg/m³ — Good
5.85.8 µg/m³ — Good
7.37.3 µg/m³ — Good
Best months: Jul, Sep, NovWorst months: Jan, Apr–May
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared worldwide
Saint Peter Port: 6.6 µg/m³. Typical range: 8.9–26.6 µg/m³. Low anchor: Bergen, 4.9 µg/m³. High anchor: Diepsloot, 162.1 µg/m³.
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