Worst air pollution Diavolezza - Pontresina, today and tomorrow
Today (16 July): Air quality in Diavolezza 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 Diavolezza 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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Diavolezza's air quality benefits from its high-altitude position beneath the Bernina massif, with cable car visitor traffic the only significant local source amid exceptionally clean Engadin mountain air.
Today - 16 July | Pollution peaks at 19:00
AQI:
Medium
40.8/100
PM2.5 (fine particles):
Good
5.1/100
PM10 (coarse particles):
Good
1.8/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
40.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.2/100
PM1 (ultrafine particles):
Good
6.6/100
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
8.2/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
41.0/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.8/100
PM1 (ultrafine particles):
Good
10.0/100
Other Landmarks in Pontresina
Frequently Asked Questions
Is air quality bad in Diavolezza right now?
On 16 July 2026, overall air quality in Diavolezza 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 Diavolezza?
On 17 July 2026, air quality conditions in Diavolezza 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 Diavolezza?
High above the valley floor, Diavolezza sees essentially no meaningful pollution outside of brief peak-season spikes tied to seasonal tourist and cable car traffic. The rest of the year, elevation and sparse development keep readings among the cleanest anywhere in the country.
Are air quality levels in Diavolezza 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.
Want to see air quality forecasts for other cities in Switzerland?
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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