Worst air pollution Weissfluhjoch - Davos, today and tomorrow
Today (16 July): Air quality in Weissfluhjoch is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 38.7/100).
Tomorrow (17 July 2026): Air quality in Weissfluhjoch is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 37.4/100). 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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Weissfluhjoch's air quality benefits from its elevated position above the Davos valley floor, home to a snow research institute, with cable car visitor traffic the only significant local source.
Today - 16 July | Pollution peaks at 11:00
AQI:
Fair
38.7/100
PM2.5 (fine particles):
Good
4.3/100
PM10 (coarse particles):
Good
1.6/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
38.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
5.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 09:00
AQI:
Fair
37.4/100
PM2.5 (fine particles):
Good
5.3/100
PM10 (coarse particles):
Good
4.3/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
37.4/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
6.0/100
Other Landmarks in Davos
Sports venues in Davos
Frequently Asked Questions
Is air quality bad in Weissfluhjoch right now?
On 16 July 2026, overall air quality in Weissfluhjoch is fair. AQI is the main air quality indicator at 38.7/100. Pollution peaks around 11:00 AM (O3: 38.7/100).
Will air quality be worse tomorrow in Weissfluhjoch?
On 17 July 2026, air quality conditions in Weissfluhjoch will be similar to today, with AQI forecast at fair at 37.4/100. Pollution peaks around 9:00 AM (O3: 37.4/100).
When is air pollution at its worst in Weissfluhjoch?
Weissfluhjoch sees almost no meaningful dip in air quality year-round, owing to its high, sparsely developed setting. The only modest exception is peak-season seasonal tourist and cable car traffic, which briefly adds a small local bump. Outside those windows, thin mountain air keeps conditions consistently among the best recorded anywhere in the country.
Are air quality levels in Weissfluhjoch 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