Heatwave, along with high levels of fine particles or elevated ozone concentrations: throughout the year, the air quality monitoring system in Île-de-France regularly issues alerts and reports a pollution spike affecting Paris and its surrounding areas. When air quality worsens like this, various measures can be implemented to curb emissions and protect public health.
The police authorities can notably decide to reduce the speed limits for cars and trucks throughout the Île-de-France region, promote carpooling and remote work, or even ban vehicles without Crit'Air vignettes 0, 1, or 2 from operating in Paris and the Île-de-France area.
In certain cases, authorities may implement alternating traffic. It is in these situations that the anti-pollution measure proposed by Île-de-France Mobilités and the RATP can be put into effect.
Contrary to popular belief, the anti-pollution pass is not made available for purchase every time pollution levels rise. According to official information from Île-de-France Mobilités, its availability for sale depends on a specific decision.
She only steps in when necessary:
In other words, even during a pollution episode, we must wait for official confirmation from the authorities to determine if this measure has been put in place.
When the system is activated, Île-de-France Mobilités offers an
The only exception is l’Orlyval, which is not covered by this ticket.
The pass is valid from 12:00 AM to 11:59 PM on the selected day. For the Noctilien night buses, it remains valid until 5:59 AM the following morning.
Starting January 1, 2026, the anti-pollution fee will be available at a flat rate of €5.10 for the day.
This transportation ticket can be purchased the day before the pollution episode begins, at train stations and stops or through transit apps like Bonjour RATP.
To confirm whether this special rate is in effect, you'll need to wait for the official announcement from Île-de-France Mobilités, which typically coincides with the announcement of measures implemented during pollution peaks.
