Titre Citeair index and modelling maps

Citeair index scale

See Citeair index calculation grid.
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Air quality report for the 25/01/2021


Paris agglomeration Citeair index


  • The pollution index was  Low on the 25/01/2021

Paris agglomeration index:   41  
Due to the pollutant: Nitrogen Dioxide

Index modelling map of the Ile-de-France region


Global
Nitrogen dioxyde (NO2)
Ozone (O3)
Particulate matter (PM10)


légende


Index by administrative unit

 global Nitrogen DioxydeOzoneParticulate matter
Agglomération 41 413125
Paris 35 352823
Seine-et-Marne 39 393120
Yvelines 38 383220
Essonne 38 383221
Hauts-de-Seine 35 353023
Seine-Saint-Denis 41 413025
Val-de-Marne 38 382923
Val d'Oise 34 343220

Please click on the administrative unit name to find more details

5 pm bulletin: air quality forecast for the 26/01/2021

  • The pollution index will be  Low for the 26/01/2021

Paris agglomeration index:  47  
Due to the pollutant: Nitrogen Dioxide

The maximum levels at the background stations between:
  • 60 µg/m³ and 90 µg/m³ for Ozone (O3)
  • 70 µg/m³ and 100 µg/m³ for Nitrogen dioxide (NO2)
  • 15 µg/m³ and 25 µg/m³ for Particulate matter (PM10)

Index modelling map of the Ile-de-France region


Global
Nitrogen dioxyde (NO2)
Ozone (O3)
Particulate matter (PM10)


légende


Index by administrative unit

 global Nitrogen DioxydeOzoneParticulate matter
Agglomération 47 473138
Paris 47 472331
Seine-et-Marne 45 452936
Yvelines 43 433223
Essonne 36 363226
Hauts-de-Seine 40 402825
Seine-Saint-Denis 46 462138
Val-de-Marne 46 462632
Val d'Oise 45 453232

Please click on the administrative unit name to find more details

Midday bulletin : air quality forecast for the 27/01/2021 made the 26/01/2021
Next bulletin at 5 pm

  • The pollution index will be  Low for the 27/01/2021

Paris agglomeration index:  39  
Due to the pollutant: Nitrogen Dioxide

The maximum levels at the background stations between:
  • 60 µg/m³ and 90 µg/m³ for Ozone (O3)
  • 60 µg/m³ and 90 µg/m³ for Nitrogen dioxide (NO2)
  • 15 µg/m³ and 25 µg/m³ for Particulate matter (PM10)

Index modelling map of the Ile-de-France region


Global
Nitrogen dioxyde (NO2)
Ozone (O3)
Particulate matter (PM10)


légende


Index by administrative unit

 global Nitrogen DioxydeOzoneParticulate matter
Agglomération 39 393231
Paris 39 392831
Seine-et-Marne 37 373226
Yvelines 30 213020
Essonne 31 173120
Hauts-de-Seine 34 343027
Seine-Saint-Denis 38 383131
Val-de-Marne 33 333127
Val d'Oise 37 373027

Please click on the administrative unit name to find more details


Index database


  • To access the index database, please click here.