Emilia Romagna, Lombardia, Piemont and Veneto have a coordinated winter emergency measure.

The winter emergency measure affects cities over 30.000 inhabitants during from 1 October 2019 - 31 March 2020.

Emergency measure:

After four (three in Emilia Romagna) consecutive days of exceeding the PM10 limit, the minimum Euro standard on the next day is from 08:00 – 19:00:

• Petrol Euro 1
• Diesel Euro 5
• Motorcycles Euro 1 
• commercial diesel Euro 3 are banned from 8:30 - 12:30

After ten consecutive days of exceeding the PM10 limit:

• commercial diesel Euro 3 are banned from 8:30 - 18:30
• commercial diesel Euro 4 are banned from 8:30 - 12:30

To check if the emergency measure is in place in Emilia Romagna see here or here.

To check if the emergency measure is in place in Lombardia see here.

To check if the emergency measure is in place in Piemont see here.

To check if the emergency measure is in place in Veneto see here.

Find the ordinance in Italian here.

 

There is also a winter ZTL in place:

Winter ZTL in urban areas of Emilia Romagna, Lombardia, Piemonte and Veneto > 30.000 inhabitants
Season	Times	Minimum standard for diesel vehicles
From 1 October 2018	08:00 - 19:00	Euro 4
From 1 October 2020		Euro 5
From 1 October 2025		Euro 6

 

Cities affected in Emilia Romagna:

Bologna, Carpi, Casalecchio di Reno, Castelfranco Emilia, Castenaso, Cento, Cesena, Faenza, Ferrara, Forlì, Formigine, Granarolo dell'Emilia, Imola, Lugo , Modena, Parma, Piacenza, Ravenna, Reggio nell'Emilia, Riccione, Rimini, San Lazzaro di Savena and Sassuolo

Cities affected in Lombardia: 

Bergamo, Brescia, Como, Corsico, Cremona, Lecco, Legnano, Lissone, Lodi, Mantova, Milano, Monza, Pavia, Pioltello, Rho, Saronno, Seregno and Varese 

Cities affected in Piemonte:

Alba, Alessandria, Asti, Biella, Casale Monferrato, Chieri, Collegno, Cuneo, Grugliasco, Moncalieri, Nichelino, Novara, Pinerolo, Rivoli, Settimo Torinese, Torino, Venaria Reale and Vercelli

Cities affected in Veneto:

Asolo, Bassano del Grappa, Conegliano, Mestre, Padova, Rovigo, Selvazzano, Verona and Vicenza

Belluno, Chioggia, San Donà di Piave, Mira, Castelfranco Veneto, Montebelluna, Marcon, Martellago, Spinea, Venezia and Scorzè (These cities are not on our website, so they are linked to their city website.)

Find the ordinance in Italian here.