Measurements found that 5.8 grams per kilometre of harmful particles are emitted by tyres as they wear when a car is being driven. That compares to 4.5 milligrams per kilometer produced from exhaust pipes of the latest vehicles on sale today.
Tyre wear produces 1,000 times MORE harmful pollution than exhausts : https://mol.im/a/8079645
This is an old Post with also comments on Tyres : https://www.qashqaiforums.co.uk/viewtopic.php?f=28&hilit=Tyre%20Pollution&p=68016&t=6178&sid=15d415fbfa92233f52d1881f26d1dbc9#p53938:
