Only motorists whose cars have odd-numbered registration plates are allowed to drive.
On Tuesday, if the restrictions remain in place, it will be the turn of those with even-numbered plates.
Ministers acted after air pollution exceeded safe levels for five days running in Paris and surrounding areas.
The smoggy conditions have been caused by a combination of cold nights and warm days, which have prevented pollution from dispersing. (+ BBC video) » | Monday, March 17, 2014
