Preprints
https://doi.org/10.5194/essd-2021-182
https://doi.org/10.5194/essd-2021-182

  13 Jul 2021

13 Jul 2021

Review status: this preprint is currently under review for the journal ESSD.

Historical reconstruction of background air pollution over France for 2000–2015

Elsa Real, Florian Couvidat, Anthony Ung, Laure Malherbe, Blandine Raux, and Augustin Colette Elsa Real et al.
  • INERIS, France

Abstract. This paper describes a 16-year datasets of air pollution concentrations and air quality indicators over France. Using a kriging method that combines background measurements of air quality and modeling with the Chemistry Transport Model CHIMERE, hourly concentrations of NO2, O3, PM10 and PM2.5 are produced with a spatial resolution about 4 kilometers. Regulatory indicators (annual average, SOMO35, AOT40 etc…) are also calculated from these hourly data. NO2 and O3 datasets cover the period 2000–2015, as well as PM10 annual data. PM10 hourly concentrations are not available from 2000 to 2007 due to known artefact in PM10 measurements. PM2.5 data are only available from 2009 because of the lack of measurement stations before. The overall dataset has been evaluated over all the years through a cross-validation process against background measurement stations (rural, sub-urban and urban), to account for the data fusion between measurement and models in the method. Results are very good for PM10, PM2.5 and O3. It shows an overestimation of NO2 concentrations in rural area, while background NO2 values in urban areas are well represented. Maps of the main indicators are shown over years and trends are calculated. Finally, country exposure and trends of three main health related indicators: yearly averaged PM2.5 NO2 and SOMO35 are calculated. The DOI link for the dataset is http://doi.org/10.5281/zenodo.5043645 (Real et al., 2021). We hope
that the publication of this dataset in open access will facilitate further studies on the impacts of air pollution.

Elsa Real et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on essd-2021-182', Anonymous Referee #1, 27 Jul 2021
  • RC2: 'Comment on essd-2021-182', Anonymous Referee #2, 27 Aug 2021

Elsa Real et al.

Data sets

Historical reconstruction of background air pollution over France for 2000-2015 E. Real http://doi.org/10.5281/zenodo.5043645

Elsa Real et al.

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Short summary
This paper describes a 16-year (2000–2015) datasets of air pollution concentrations and air quality indicators over France combining background measurements and modeling. Hourly concentrations and regulatory indicators of NO2, O3, PM10 and PM2.5 are produced with 4 kilometers spatial resolution. The overall dataset has been cross-validated and showed overall very good results. We hope that this publication in open access will facilitate further studies on the impacts of air pollution.