Air pollution in Boston bars before and after a smoking ban

So, air quality in Philly this morning was similar to being in a crowded, smoky Boston bar in 2003 #MedTwitter https://t.co/KuwCd8Qk7E

@UCSFHospitals Northern California currently has the worst air quality in the world. Masks are not a substitute for staying indoors. Here's a map of filtered air shelters in #SF: https://t.co/VbVPxlzvjj #CampFireSmoke

Air in Boston bars before and after a smoking ban — Why Do media outlets and government agencies exploit smoke fear? #CampFireSmoke It’s like going to a club on Thursday, Friday and Saturday night!🤪🥺🍾 or Smoking #cannabis or #Vaping #smokingcigarettes http

RT @WELLcertified: Remember when? #Airpollution in bars before & after a smoking ban via @BioMedCentral https://t.co/Eh2s1o4QIR #AIR