A journalistic investigation made it possible to classify the different metro stations in the capital according to their level of fine particles in the air. Pollution which is involved in the deaths of at least 40,000 people, according to Public Health France.
The filming of a documentary “Vert de rage” by France 5 made it possible to carry out an unprecedented campaign to measure pollution in Paris metro stations. This study mapped the entire RATP network and part of the RER lines, showing air quality by station.
Twelve journalists measured for eight months the concentration of small fine particles at the end of the platforms of the 332 metro and RER stations in zones 1 and 2. They captured this data between 6 p.m. and 8 p.m., peak times of the day . Then, the outside air was also measured to make comparisons. The journalists took these measurements using Pollutrack mobile air sensors, the same ones used by the City of Paris for the capital's air quality.
Full article (Fr) : L'Intern@ute