Worst air pollution Fréjus, today and tomorrow
Today (9 August): Air quality in Fréjus is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (O3: 70.6/100).
Tomorrow (10 August 2026): Air quality in Fréjus is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 AM (O3: 44.9/100). Airmine updates local air quality forecasts four times daily.
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Fréjus' air quality benefits from its exceptional Côte d'Azur Mediterranean coastal position on the Gulf of Saint-Tropez, with consistent sea breezes from the Var coast providing reliable maritime ventilation alongside periodic Mistral wind events from the Massif de l'Estérel. Vehicle traffic on the A8 motorway and tourism traffic are the primary local sources, while the Estérel massif's distinctive red volcanic rock landscape creates dramatic topographic variation and the coastal position generally maintains moderate to good conditions.
Today - 9 August | Pollution peaks at 19:00
AQI:
Poor
70.6/100
PM2.5 (fine particles):
Good
8.9/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
7.7/100
O3 (ozone):
Poor
70.6/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.9/100
PM1 (ultrafine particles):
Good
8.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 00:00
AQI:
Medium
44.9/100
PM2.5 (fine particles):
Good
8.3/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Good
8.8/100
O3 (ozone):
Medium
44.9/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.3/100
PM1 (ultrafine particles):
Good
8.3/100
Pollen forecast in Fréjus
View pollen forecastFrequently Asked Questions
Is air quality bad in Fréjus right now?
On 9 August 2026, overall air quality in Fréjus is poor. AQI is the main air quality indicator at 70.6/100. Pollution peaks around 7:00 PM (O3: 70.6/100).
Will air quality be worse tomorrow in Fréjus?
On 10 August 2026, air quality conditions in Fréjus will be better than today, with AQI forecast at medium at 44.9/100. Pollution peaks around 12:00 AM (O3: 44.9/100).
When is air pollution at its worst in Fréjus?
The days that hit sensitive groups hardest in Fréjus are calm spring ones, when tourist traffic and coastal industry and the plane and pine pollen peak overlap; the Mistral wind provides powerful periodic ventilation, so relief usually isn't far behind. Nearby Provencal farmland and garrigue scrub add a further seasonal factor.
Are air quality levels in Fréjus 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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