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What if we could freely measure the quality of the air we breathe? This is the experience that more than 150 inhabitants of the Community of Communes of the Pays du Mont-Blanc were able to test with particle-measuring micro-sensors during the winter of 2018 - 2019. These micro-sensors were made available by Atmo Auvergne-Rhône-Alpes with the support of the Community of Communes of the Pays du Mont-Blanc (CCPMB) as part of the European BB-Clean project.

The first 60 citizens of Grenoble-Alpes Metropolis, Lyon Metropolis and Clermont Auvergne Metropolis have been exploring the levels of fine particles in their environments since September 28th, thanks to micro-sensors for measuring air quality, lent free of charge as part of the Captotheque service.
 

The health and economic crisis that we have been experiencing since March has profoundly accelerated public awareness of the interrelationships between our health and the degradation of our environment. Before the confinement, air pollution was already a strong environmental concern for the French, which the current pandemic accentuates.

In Auvergne-Rhône-Alpes, citizens equipped with micro-sensors have recently been participating in citizen observatories to measure air quality. Their data now makes it possible to refine conclusions on the impact of lockdown.

Atmo Auvergne-Rhône-Alpes and the Bontaz group are committed together to initiate the creation of the first citizen observatory to measure air quality.

Inhabitants of the Grenoble metropolis taking part in the "la captotheque" experimental scheme, tested in Grenoble, Haute-Savoie and Clermont-Ferrand this winter, met on July 3rd at the Espace Air-Climat-Energie in Saint-Martin-D'hères to discuss the various results of the Checkbox citizen experiment.
 

The inhabitants of the Pays du Mont-Blanc Community of Municipalities (CCPMB) participating in the "la captotheque" experimental device, also tested in Grenoble and the Clermont metropolitan area, met on June 25th in Sallanches to discuss the various results of the BB-Clean citizen experiment.

For several years, relatively inexpensive micro-sensors with increasing performance have been available. Atmo Auvergne-Rhône-Alpes and its partners have undertaken work to characterize their performance and to identify the most suitable conditions of use.

On April 1st, all the actors in search of new forms of environmental observation met at the national symposium "Sensors and participatory sciences" organized at the Sorbonne in Paris.

The first experimenters of the Captotheque, the service for citizen awareness and participation in the monitoring of Atmo Auvergne-Rhône-Alpes, have started to freely measure the air quality on the territory of the CCPMB thanks to the micro-sensors lent free of charge as part of the experiment BBClean.