Worst air pollution St. Moritz Olympia Bob Run - St. Moritz, today and tomorrow

Today (16 July): Air quality in St. Moritz Olympia Bob Run is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (O3: 40.8/100).
Tomorrow (17 July 2026): Air quality in St. Moritz Olympia Bob Run is medium. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 41.0/100). Airmine updates local air quality forecasts four times daily.

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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St. Moritz Olympia Bob Run's air quality benefits from its high Engadin valley position, the world's only remaining natural-ice track, with winter event traffic the primary seasonal local source.

Today - 16 July | Pollution peaks at 19:00

AQI:

Medium

40.8/100

PM2.5 (fine particles):

Good

5.8/100

PM10 (coarse particles):

Good

2.0/100

NO2 (nitrogen dioxide):

Good

6.1/100

O3 (ozone):

Medium

40.8/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.2/100

PM1 (ultrafine particles):

Good

7.5/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 09:00

AQI:

Medium

41.0/100

PM2.5 (fine particles):

Good

9.3/100

PM10 (coarse particles):

Good

6.4/100

NO2 (nitrogen dioxide):

Good

4.2/100

O3 (ozone):

Medium

41.0/100

SO2 (sulfur dioxide):

Good

0.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.8/100

PM1 (ultrafine particles):

Good

11.3/100

Other Landmarks in St. Moritz

Sports venues in St. Moritz

Frequently Asked Questions

Is air quality bad in St. Moritz Olympia Bob Run right now?

On 16 July 2026, overall air quality in St. Moritz Olympia Bob Run is medium. AQI is the main air quality indicator at 40.8/100. Pollution peaks around 7:00 PM (O3: 40.8/100).

Will air quality be worse tomorrow in St. Moritz Olympia Bob Run?

On 17 July 2026, air quality conditions in St. Moritz Olympia Bob Run will be similar to today, with AQI forecast at medium at 41.0/100. Pollution peaks around 9:00 AM (O3: 41.0/100).

When is air pollution at its worst in St. Moritz Olympia Bob Run?

Air quality at St. Moritz Olympia Bob Run rarely dips much, given its high-altitude, sparsely populated Alpine valley setting. The main exception comes during peak tourist season, when winter tourism and seasonal traffic adds a modest, localised increase in emissions. Outside these brief periods, conditions remain among the cleanest in Switzerland year-round.

Are air quality levels in St. Moritz Olympia Bob Run based on measurements or forecasts?

It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This forecast is produced independently using Airmine's own atmospheric data and models.

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

For long term forecasts and maps, see the Airmine app