Pollution in Lyon: Air quality remains relatively good this Thursday
Air quality in Lyon will remain relatively good this Thursday, September 4, 2025, thanks in particular to the arrival of a new rain and storm deterioration.
It's still easy to breathe in Lyon and the entire Lyon metropolitan area this Thursday, September 4. Following a sunny day, the arrival of a rainstorm from the west will maintain relatively good air quality in Lyon and the entire Lyon metropolitan area.
Except around major traffic routes such as the M6 and M7, air quality will be good to average, with concentrations of fine particles and low sulphur dioxide.
Lyon Capitale
