Worst air pollution Annecy, today and tomorrow
Today (16 July): Air quality in Annecy is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 39.5/100).
Tomorrow (17 July 2026): Air quality in Annecy is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 7:00 PM (O3: 36.8/100). 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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Annecy's air quality faces Alpine basin challenges, with the city's enclosed position between the Aravis and Bauges limestone massifs and the Annecy Lake's natural setting creating partial topographic enclosure. Vehicle traffic on the A41 and winter residential wood burning generate elevated PM2.5 under temperature inversions, while Lake Annecy's thermal lake breezes provide distinctive daily ventilation cycles and the surrounding Alpine environment generally maintains better summer conditions than France's flat basin cities, creating marked seasonal air quality contrast.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
39.5/100
PM2.5 (fine particles):
Good
15.7/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Fair
20.4/100
O3 (ozone):
Fair
39.5/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.4/100
PM1 (ultrafine particles):
Good
16.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 19:00
AQI:
Fair
36.8/100
PM2.5 (fine particles):
Good
8.8/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Good
17.0/100
O3 (ozone):
Fair
36.8/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.3/100
PM1 (ultrafine particles):
Good
7.1/100
Pollen forecast in Annecy
View pollen forecastFrequently Asked Questions
Is air quality bad in Annecy right now?
On 16 July 2026, overall air quality in Annecy is fair. AQI is the main air quality indicator at 39.5/100. Pollution peaks around 12:00 PM (O3: 39.5/100).
Will air quality be worse tomorrow in Annecy?
On 17 July 2026, air quality conditions in Annecy will be similar to today, with AQI forecast at fair at 36.8/100. Pollution peaks around 7:00 PM (O3: 36.8/100).
When is air pollution at its worst in Annecy?
In Annecy, the combination of valley motorway traffic and light industry and heavy birch and oak pollen in spring is what most affects sensitive groups; mountain valley winds alternate with calm temperature inversions, so poor conditions rarely last more than a couple of days. The presence of alpine valley pasture and orchards in the area adds another layer to the local pattern.
Are air quality levels in Annecy 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