Pollution in Lyon: Air quality deteriorates this Wednesday

Air quality in Lyon and throughout the metropolitan area will deteriorate this Wednesday, June 18, with weather conditions more favorable to ozone formation.
Breathing is becoming increasingly difficult in Lyon this week, and the situation is unlikely to improve until the end of the week. This Wednesday, June 18, air quality is expected to deteriorate throughout the Lyon metropolitan area, with weather conditions more conducive to ozone formation.
Air quality will be poor for multi-pollutants and ozone but will remain good for fine particles, nitrogen dioxide and sulfur dioxide.
With temperatures expected to reach 37 degrees on Friday and Saturday, the situation is expected to deteriorate further by the end of the week in Lyon.
Lyon Capitale