Thanks to the sensors owners and the sensor community support, it is possible to make a valuable analysis of air quality in a given area. It is what Deciphair has been trying to do for a few months displaying results on a web site (https://www.deciphair.com).
The last analysis regarding Paris demonstrates the complementarity of the low cost community sensors with the institutional sensors enabling to get an overview of a large zone thanks to the coverage of the citizen sensors; it is also possible to understand what’s happening in a critical area.