The answer seems to be yes.
Case report
Suspected association of ventricular arrhythmia with air pollution in a motorbike rider:
http://jmedicalcasereports.com/content/2/1/192
Cardiovascular effects in patrol officers are associated with fine particulate matter from brake wear and engine emissions.
http://www.ncbi.nlm.nih.gov/pubmed/15813985?dopt=Abstract&holding=f1000,f1000m,isrctn
You may also have air polution in your home, 50% more, open a window.
During expercise outdoors you may inhale particles 7-10 more than normal.