Worst air pollution Notre-Dame & Île de la Cité - Paris, today and tomorrow
Today (16 July): Air quality in Notre-Dame & Île de la Cité 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 Notre-Dame & Île de la Cité 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.
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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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Paris's Notre-Dame and Île de la Cité sit at the heart of central Paris, with the Seine on both sides providing some ventilation but dense tourist and vehicle traffic keeping NO₂ elevated. Readings track central Paris averages closely throughout the year.
Today - 16 July | Pollution peaks at 16:00
AQI:
Poor
63.6/100
PM2.5 (fine particles):
Good
14.7/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Good
12.9/100
O3 (ozone):
Poor
63.6/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
15.1/100
PM1 (ultrafine particles):
Good
19.9/100
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
18.1/100
PM10 (coarse particles):
Good
5.0/100
NO2 (nitrogen dioxide):
Good
16.2/100
O3 (ozone):
Medium
59.7/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
19.0/100
PM1 (ultrafine particles):
Fair
23.6/100
Other Landmarks in Paris
Sports venues in Paris
Frequently Asked Questions
Is air quality bad in Notre-Dame & Île de la Cité right now?
On 16 July 2026, overall air quality in Notre-Dame & Île de la Cité 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 Notre-Dame & Île de la Cité?
On 17 July 2026, air quality conditions in Notre-Dame & Île de la Cité will be better than today, with PM1 forecast at fair at 23.6/100. Pollution peaks around 1:00 PM (O3: 59.7/100).
When is air pollution at its worst in Notre-Dame & Île de la Cité?
Residents of Notre-Dame & Île de la Cité 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.
Are air quality levels in Notre-Dame & Île de la Cité 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