OrbisViews

Air quality · Switzerland

St. Moritz Air Quality (AQI) Now

21 Fair
European Air Quality Index
PM2.5
1.3µg/m³WHO limit 15
PM10
1.8µg/m³WHO limit 45
NO₂
1.2µg/m³
O₃
62µg/m³
Desert dust
0µg/m³
UV index
0.0
US AQI
26

Updated: · Source: Copernicus CAMS · Open-Meteo

Air quality in St. Moritz is fair right now: European Air Quality Index 21. Fine particulate matter (PM2.5) is 1.3 µg/m³, below the WHO guideline. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise. Pollution is expected to peak around 14:00 over the next 48 hours (index 25, fair).

St. Moritz 48-hour air quality forecast

01:00: 1901:0002:00: 2003:00: 1804:00: 1805:00: 1806:00: 1707:00: 1607:0008:00: 1509:00: 1510:00: 1511:00: 1712:00: 2213:00: 2413:0014:00: 2515:00: 2516:00: 2517:00: 2518:00: 2419:00: 2219:0020:00: 2021:00: 1822:00: 1523:00: 14

Air quality near St. Moritz

Cleanest to most polluted.

Frequently asked questions

Is St. Moritz polluted today?
Air quality in St. Moritz is fair right now: European Air Quality Index 21. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise.
Is it safe to exercise outdoors in St. Moritz today?
Yes, air quality is fair right now; fine for outdoor exercise.
How is the air quality index calculated?
The European Air Quality Index is set by the worst of PM2.5, PM10, nitrogen dioxide, ozone and sulphur dioxide: 0–20 good, 20–40 fair, 40–60 moderate, 60–80 poor, 80–100 very poor, above 100 extremely poor.

Values are Copernicus Atmosphere Monitoring Service (CAMS) model forecasts and may differ from local monitoring stations.

St. Moritz air quality: details

Pollutants and recent days

Nitrogen dioxide (NO₂) is 1.2 µg/m³ and ozone (O₃) 62 µg/m³; WHO guideline values are 25 (24 h) and 100 µg/m³ (8 h).