As well a number of cities having Low Emission Zones, and Emergency Schemes, many Regions and in France also
have emergency smog schemes.
There are a number of legal cases running in Germany about air quality. So far two of them have been completed.
These are often reported as 'diesel bans'.
Stuttgart plans to tighten the Low Emission Zone to Euro 5 on the first of January 2019.
Some low emission zones require vehicles to display a sticker when entering.
The Stuttgart Feinstaubalarm, Smog Alarm, of winter 2018-2019 will start on the 16th October 2018 until the 15th April 2019.
