car exhaust Very high levels of PM 2.5s are still produced by new diesel vehicles during their regular exhaust filter cleaning process. Read more here

REMEMBER!: the Clean Air Bishopston team is small and purely voluntary, wants to do a lot more to enhance this web site and extend our project, but needs YOU!! Please get in touch with your contributions, comments, suggestions, offers of help, or for some other reason: click here to reach our contact form.