Air Quality Lab — Sitten, Switzerland
Air Quality Profile·
Sitten reports an annual PM2.5 of 10.3 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Sitten
Switzerland
SwitzerlandAnnual Average
FairWHO annual classification
10.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1010 µg/m³ — Fair
7.27.2 µg/m³ — Good
6.96.9 µg/m³ — Good
6.06.0 µg/m³ — Good
7.57.5 µg/m³ — Good
7.17.1 µg/m³ — Good
9.59.5 µg/m³ — Good
1111 µg/m³ — Fair
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1010 µg/m³ — Fair
7.27.2 µg/m³ — Good
6.96.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.06.0 µg/m³ — Good
7.57.5 µg/m³ — Good
7.17.1 µg/m³ — Good
9.59.5 µg/m³ — Good
1111 µg/m³ — Fair
1414 µg/m³ — Fair
Best months: Jun–Jul, SepWorst months: Jan–Feb, Dec
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Switzerland
Sitten: 10.3 µg/m³. Typical range in Switzerland: 7.6–8.9 µg/m³. Low anchor: La Chaux-de-Fonds, 5.9 µg/m³. High anchor: Lausanne, 9.6 µg/m³.
45 cities tracked