The city has introduced anti-smog measures that ban the most polluting vehicles from moving within Rome's "Fascia Verde" (green belt) on Friday 18 November from 07.30 to 20.30, and a total ban on private vehicles on Sunday 20 November from 08.30 to 17.30.

The area affected in both bans is inside the Grande Raccordo Anulare (GRA) ring road and constitutes the bulk of the city. The ban on Sunday extends to private cars with permits to enter the centre although a number of vehicles are exempt, including Euro 5 engine cars, Euro 3 motorcycles, and electric and natural gas-powered vehicles.

The move is being taken to deal with the rise in smog particles (PM10) that have exceeded the statutory limit for six consecutive days and have reached the high levels last seen in 2009. There will be greater access to public transport on 20 November, with 86 bus routes operated by ATAC and Roma Tpl being boosted on the day between 09.00 and 20.00. There will also be extra traffic police on duty and those caught in breach of the ban face a fine of