Worst air pollution Nanterre, today and tomorrow
Today (16 July): Air quality in Nanterre is poor. AQI and O3 are poor; NO2 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 63.0/100).
Tomorrow (17 July 2026): Air quality in Nanterre is fair. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 54.4/100). 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
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Nanterre's air quality reflects Greater Paris' densely industrialised western inner suburb, with the A86 and La Défense business district's concentrated commuter traffic generating sustained NO₂ alongside the dense urban character. The Seine river provides limited ventilation, while prevailing westerlies carry Atlantic air through the Paris basin and the motorway exposure keeps readings consistently elevated.
Today - 16 July | Pollution peaks at 16:00
AQI:
Poor
63.0/100
PM2.5 (fine particles):
Good
12.9/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Fair
24.1/100
O3 (ozone):
Poor
63.0/100
SO2 (sulfur dioxide):
Good
3.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.2/100
PM1 (ultrafine particles):
Good
16.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Medium
54.4/100
PM2.5 (fine particles):
Good
13.7/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Fair
26.7/100
O3 (ozone):
Medium
54.4/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.6/100
PM1 (ultrafine particles):
Good
17.7/100
Pollen forecast in Nanterre
View pollen forecastFrequently Asked Questions
Is air quality bad in Nanterre right now?
On 16 July 2026, overall air quality in Nanterre is poor. AQI is the main air quality indicator at 63.0/100. Pollution peaks around 4:00 PM (O3: 63.0/100).
Will air quality be worse tomorrow in Nanterre?
On 17 July 2026, air quality conditions in Nanterre will be better than today, with NO2 forecast at fair at 26.7/100. Pollution peaks around 1:00 PM (O3: 54.4/100).
When is air pollution at its worst in Nanterre?
In Nanterre, the worst combined pollen and air quality days tend to come when agricultural traffic and river-valley industry coincide with the peak oak and plane pollen season in spring; the wide Loire valley allows steady airflow, so conditions usually improve within a day or two. Nearby Loire valley cereal farmland and vineyards add a further seasonal factor.
Are air quality levels in Nanterre 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