Madrid banned oil based cars at the center. Some people from Madrid that lives at the periphery are arguing they are receiving center's pollution, while the center is clean and free to park for rich that can pay an electrical car.
I want to correctly answer them, so I am searching an answer from a meteorologist to point the disgusted people on spanish newspapers.

Can I ask something like "If you limit driving on the center of a city, does the periphery absorve the pollution that is supossed to be removed from the city?"

Or it would be off-topic as based in demography?