Fine Particulate Matter Exposure and Health Impacts from Indoor Activities

Figure 5

Indoor PM_2.5 concentrations for three different activities and seven outdoor concentrations (4–200 μg/m³) for four standard ACH: (a) 0.2 ACH and 0.6 ACH with closed windows and 3 ACH and 14 ACH with windows always open and (b) 3 ACH or 14 ACH for different opening scenarios (open before, open during, and open after).