ndoor air pollution is regularly ranked among the top five health risks of the world .A normal individual spends almost about 90% of his time indoor due to which indoor air decline in indoor air quality can pose great risk on his health.CO(carbon monoxide),CO2(carbon dioxide) cause major human performance like Tight Building Syndrome(TBS) a chronic disease which hinders human performance which has no singular cause and respiratory problems, Methane, Butane , LPG and smoke are some of the common flammable gases when leaked cause accidents [1]. Furthermore improper ventilation leads to increase or decrease in oxygen leading to high concentration of Carbon dioxide or Carbon monoxide
