Year long monitoring of indoor air quality and ventilation in school classrooms in Victoria, Australia

Children under 15 years spend over six hours per day in school buildings and are particularly vulnerable to the effects of poor indoor air quality (IAQ). However long-term monitoring environmental conditions is limited Australian schools. This study evaluates IAQ ten classrooms temperate settings Victoria. Temperature, relative humidity, CO2 concentration, PM2.5 PM10 were monitored a period one year. The temperature humidity values ranged between 18.7°C 23.8°C 44–63 RH%, respectively, indicating that have been mechanically controlled. average change (ACH) rates 10 varied considerably (range: 0.7–4.83 ACH). ventilation from 1.6 Ls?1 11.5 person with 7 out showing below recommended minimum. points need for increasing classrooms.