In petrol fumes, there are,carbon monoxide,
carbon dioxide,
nitrogen oxide,
nitrogen dioxide,
soot,oil vapor,&lead. Others are:- smog (fog+smoke) (can be occasional, found in the atmosphere),CFCs (Chlorofluorocarbons ), produced by aerosol sprays and air conditioner coolants,Sulphur dioxide,Suspended particulate matter(SPM),
fungal spores,
bacteria, virus,
pollen grains,
silicon dioxide,
lead halides particulate matter,
polynuclear aromatic compounds and polunuclear aromatic compounds(hydrocarbons),
asbestos particles, etc.

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In petrol fumes there are carbon monoxide which pollutes the surrounding & some asbestos particle & hydro carbons etc. can pollutes our surroundings.
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