Worst air pollution Montmartre - Paris, today and tomorrow

Today (16 July): Air quality in Montmartre is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 63.6/100).
Tomorrow (17 July 2026): Air quality in Montmartre is fair. AQI improves to medium; O3 decreases to medium; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 59.7/100). Airmine updates local air quality forecasts four times daily.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Paris's Montmartre and the Butte hill benefit from their elevated position above central Paris, with cleaner air than the dense neighbourhoods below. Traffic on surrounding approach roads contributes locally, while the hilltop position above the urban inversion layer improves conditions noticeably on calm days.

Today - 16 July | Pollution peaks at 16:00

AQI:

Poor

63.6/100

PM2.5 (fine particles):

Good

13.2/100

PM10 (coarse particles):

Good

3.7/100

NO2 (nitrogen dioxide):

Good

3.1/100

O3 (ozone):

Poor

63.6/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

15.1/100

PM1 (ultrafine particles):

Good

17.9/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 13:00

AQI:

Medium

59.7/100

PM2.5 (fine particles):

Good

16.3/100

PM10 (coarse particles):

Good

4.5/100

NO2 (nitrogen dioxide):

Good

3.9/100

O3 (ozone):

Medium

59.7/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

19.0/100

PM1 (ultrafine particles):

Fair

21.7/100

Other Landmarks in Paris

Sports venues in Paris

Frequently Asked Questions

Is air quality bad in Montmartre right now?

On 16 July 2026, overall air quality in Montmartre is poor. AQI is the main air quality indicator at 63.6/100. Pollution peaks around 4:00 PM (O3: 63.6/100).

Will air quality be worse tomorrow in Montmartre?

On 17 July 2026, air quality conditions in Montmartre will be better than today, with PM1 forecast at fair at 21.7/100. Pollution peaks around 1:00 PM (O3: 59.7/100).

When is air pollution at its worst in Montmartre?

Residents of Montmartre in Paris notice the most discomfort when traffic and urban heating overlap with heavy birch and plane pollen; the Seine corridor channels westerly winds through the city, limiting how long conditions stay poor. Nearby Île-de-France farmland add a further seasonal factor.

Are air quality levels in Montmartre 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?

Check air quality in other popular cities:

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