Emilia Romagna, Piemonte and Veneto have activated their winter smog schemes 1 October 2020. 

This smog scheme season is divided in two parts as the standard is tightened in January 2021 again.

Emilia Romagna

To be able to circulate freely in the cities affected, your vehicle has to meet the following standards
Monday to Friday from 08:30 - 18:30

1 October 2020 - 10 January 2021:
o petrol Euro 2
o diesel Euro 4 

motorcycles
o petrol Euro 1

11 January 2021 - 31 March 2021:
o petrol Euro 3
o diesel Euro 5

hybrids
o Euro 2

motorcycles
o petrol Euro 2

Emilia Romagna also has an emergency scheme in place that is triggered when the PM10 levels are exceeded on 3 successive days. 
If the emergency scheme is active the Euro standard is then tightened to: 

1 October 2020 - 10 January 2021:
o diesel Euro 5 

11 January 2021 - 31 March 2021:
o diesel Euro 6

Piemonte

To be able to circulate freely in the cities affected, your vehicle has to meet the following standards 
Monday to Friday from 08:30 - 18:30

1 October 2020 - 31 December 2020:
o diesel Euro 4

1 January 2021 - 31 March 2021:
o diesel Euro 5

1 October 2020 - 31 March 2021:
motorcycles, mopeds
o petrol Euro 1

Piemonte also has an emergency scheme in place that is triggered when the PM10 levels are exceeded on 4 successive days. 
If the emergency scheme is active the Euro standard is then tightened to: 

1 October 2020 - 31 March 2021:

From 08:30 - 18:30:
cars
o petrol Euro 3
o LPG Euro 2
o diesel Euro 6 

From Monday to Friday from 08:30 - 18:30 and Saturday and Sunday 08:30-12:30:
commercial vehicles
o diesel Euro 5

Veneto

To be able to circulate freely in the cities affected, your vehicle has to meet the following standards 
Monday to Friday from 08:30 - 18:30

1 October 2020 - 18 December 2020 (19. - 31. December 2020 is the scheme suspended):
o petrol Euro 2
o diesel Euro 4

motorcycles and mopeds
o petrol  Euro 1 

1 January 2021 - 31 March 2021:
o diesel Euro 5

Veneto also has an emergency scheme in place that is triggered when the PM10 levels are exceeded on 4 successive days. 
If the emergency scheme is active the Euro standard is then tightened to:

1 October 2020 - 31 March 2021: 

Monday to Sunday from 08:30 - 18:30 (19. - 31. December 2020 is the scheme suspended):

cars
o petrol Euro 2
o diesel Euro 5

motorbikes
o petrol 1

Lombardia

Lombardia has an emergency scheme in place that is triggered when the PM10 levels are exceeded on 4 successive days. 
If the emergency scheme is active the Euro standard is then tightened to:

1 October 2020 - 31 March 2021:

From 08:30 - 18:30:
cars
o petrol Euro 3
o LPG Euro 2
o diesel Euro 6 

From Monday to Friday from 08:30 - 18:30 and Saturday and Sunday 08:30-12:30:
commercial vehicles
o diesel Euro 5

 
 

Image by RitaMichelon from Pixabay