Pollution in Lyon: average to good air quality this Monday

Air quality is expected to remain average to good throughout the Lyon metropolitan area on Monday, May 12.
This Monday, May 12, 2025, with northerly winds and new thunderstorms expected in the Lyon region, concentrations of all pollutants are expected to remain low in the metropolitan area. The Atmo indexes are therefore expected to remain mostly average, or even deteriorate locally.
In the Lyon metropolitan area, except around major traffic routes such as the ring road, pollutant concentrations will be high this Monday.
Lyon Capitale