Worst air pollution Honfleur, today and tomorrow
Today (16 July): Air quality in Honfleur is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 39.5/100).
Tomorrow (17 July 2026): Air quality in Honfleur is fair. All pollutants stay as today. Pollution peaks around 7:00 PM (O3: 30.0/100). 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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In Honfleur, port traffic and cross-Channel shipping is the primary local source affecting air quality, near the Vire, while Channel winds provide frequent ventilation, generally keeping conditions moderate to good on most days. Frequent Atlantic weather systems keep conditions broadly consistent across the seasons, with only the calmest, driest summer days occasionally producing a brief ozone peak.
Today - 16 July | Pollution peaks at 15:00
AQI:
Fair
39.5/100
PM2.5 (fine particles):
Good
7.6/100
PM10 (coarse particles):
Good
2.6/100
NO2 (nitrogen dioxide):
Good
17.3/100
O3 (ozone):
Fair
39.5/100
SO2 (sulfur dioxide):
Good
3.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.2/100
PM1 (ultrafine particles):
Good
6.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 19:00
AQI:
Fair
30.0/100
PM2.5 (fine particles):
Good
9.2/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
15.1/100
O3 (ozone):
Fair
30.0/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.8/100
PM1 (ultrafine particles):
Good
7.9/100
Pollen forecast in Honfleur
View pollen forecastFrequently Asked Questions
Is air quality bad in Honfleur right now?
On 16 July 2026, overall air quality in Honfleur is fair. AQI is the main air quality indicator at 39.5/100. Pollution peaks around 3:00 PM (O3: 39.5/100).
Will air quality be worse tomorrow in Honfleur?
On 17 July 2026, air quality conditions in Honfleur will be similar to today, with AQI forecast at fair at 30.0/100. Pollution peaks around 7:00 PM (O3: 30.0/100).
When is air pollution at its worst in Honfleur?
The days that hit sensitive groups hardest in Honfleur are calm spring ones, when port traffic and cross-Channel shipping and the birch and oak pollen peak overlap; Channel winds provide frequent ventilation, so relief usually isn't far behind. The presence of dairy pasture and orchard bocage in the area adds another layer to the local pattern.
Are air quality levels in Honfleur 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 France?
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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