Worst air pollution Les Deux Alpes, today and tomorrow
Today (16 July): Air quality in Les Deux Alpes is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 37.4/100).
Tomorrow (17 July 2026): Air quality in Les Deux Alpes is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (O3: 35.4/100). 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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Air quality in Les Deux Alpes reflects valley motorway traffic and light industry as the main local source, alongside its setting near the Isere, and mountain valley winds alternate with calm temperature inversions, which helps maintain reasonable air quality across the year. Winter is usually the toughest season, as cold air settles in the valleys and traps emissions for days, while summer sees better dispersion apart from occasional ozone build-up lower down.
Today - 16 July | Pollution peaks at 13:00
AQI:
Fair
37.4/100
PM2.5 (fine particles):
Good
7.5/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Good
2.3/100
O3 (ozone):
Fair
37.4/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.5/100
PM1 (ultrafine particles):
Good
6.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 18:00
AQI:
Fair
35.4/100
PM2.5 (fine particles):
Good
7.5/100
PM10 (coarse particles):
Good
7.9/100
NO2 (nitrogen dioxide):
Good
2.1/100
O3 (ozone):
Fair
35.4/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
4.3/100
Pollen forecast in Les Deux Alpes
View pollen forecastFrequently Asked Questions
Is air quality bad in Les Deux Alpes right now?
On 16 July 2026, overall air quality in Les Deux Alpes is fair. AQI is the main air quality indicator at 37.4/100. Pollution peaks around 1:00 PM (O3: 37.4/100).
Will air quality be worse tomorrow in Les Deux Alpes?
On 17 July 2026, air quality conditions in Les Deux Alpes will be similar to today, with AQI forecast at fair at 35.4/100. Pollution peaks around 6:00 PM (O3: 35.4/100).
When is air pollution at its worst in Les Deux Alpes?
The days that hit sensitive groups hardest in Les Deux Alpes are calm spring ones, when valley motorway traffic and light industry and the birch and oak pollen peak overlap; mountain valley winds alternate with calm temperature inversions, so relief usually isn't far behind. Nearby alpine valley pasture and orchards add a further seasonal factor.
Are air quality levels in Les Deux Alpes 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