Crit'Air stickers: for whom, for what?

Crit'Air stickers: for whom, for what?

From now on, if you see round colored stickers on the windscreens of cars, vans and even trucks, don't be surprised! These are the new Crit'Air anti-pollution stickers. We're here to help you make sense of them. What are they? Who are they for? Are they compulsory throughout France? What are these anti-pollution stickers? The French Ministry for the Environment, Energy and the Sea has declared that 60% of all vehicles in France are to be fitted with anti-pollution stickers.