Table 5

Average real-time air quality measures

VenueAve. PM2.5 indoor (µg/m3)Ave. PM2.5 outdoor (µg/m3)Ave. PM2.5 in—out (µg/m3)Ave. CO indoor (ppm)Ave. CO outdoor (ppm)Ave. CO in—out (ppm)
WP13851037510.20.0010.2
WP2140213811.40.0011.4
WP3430104206.90.186.72
WP4299112881.80.251.55
WP55911483.10.752.35
WP6141041.90.041.86
CIG A21952140.430.030.4
CIG B21332100.370.010.36
  • Indoor: average of 60 min.

  • Outdoor: average of 20 min.

  • CIG, cigarette smoking venues; WP, waterpipes cafe.