Worst air pollution Crans-Montana, today and tomorrow
Today (16 July): Air quality in Crans-Montana is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 37.8/100).
Tomorrow (17 July 2026): Air quality in Crans-Montana is fair. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 36.4/100). 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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Crans-Montana's air quality benefits from its elevated Alpine plateau position above the Rhône valley, generally escaping the valley floor's inversion-trapped pollution. Winter tourism traffic is the primary seasonal source.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
37.8/100
PM2.5 (fine particles):
Good
9.4/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Good
17.6/100
O3 (ozone):
Fair
37.8/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
9.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
36.4/100
PM2.5 (fine particles):
Good
7.9/100
PM10 (coarse particles):
Good
7.8/100
NO2 (nitrogen dioxide):
Good
17.2/100
O3 (ozone):
Fair
36.4/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
4.6/100
Pollen forecast in Crans-Montana
View pollen forecastSports venues in Crans-Montana
Frequently Asked Questions
Is air quality bad in Crans-Montana right now?
On 16 July 2026, overall air quality in Crans-Montana is fair. AQI is the main air quality indicator at 37.8/100. Pollution peaks around 12:00 PM (O3: 37.8/100).
Will air quality be worse tomorrow in Crans-Montana?
On 17 July 2026, air quality conditions in Crans-Montana will be similar to today, with AQI forecast at fair at 36.4/100. Pollution peaks around 3:00 PM (O3: 36.4/100).
When is air pollution at its worst in Crans-Montana?
Calm winter conditions are when Crans-Montana's air quality suffers most, with vehicle traffic and orchard and vineyard machinery settling into the valley instead of clearing with the wind as usual. From spring, conditions steadily pick up along the Rhone, and summer stays mostly clear aside from a rare ozone spike, with autumn usually just as settled.
Are air quality levels in Crans-Montana 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