IAQ : INDOOR AIR QUALITY
INDOOR (IQA) Indoor (IQA) is an index for reporting air quality on a daily basis . It is a measure of how air pollution affects one's health within a short time period. The purpose of the AQI is to help people know how the local air quality impacts their health. CHEMICALS IN INDOOR AIR Ranking air pollutants by risk is difficult because indoor air contains a large number of different substances and because levels vary widely across India. Nonetheless, those that raise highest concern because of the adverse health effects they have caused or have a high potential to cause are: carbon monoxide (CO) formaldehyde (H 2 CO) benzene (C 6 H 6 ) nitrogen dioxide (NO 2 ) naphthalene (C 10 H 8 ) . xylene (C₈H₁₀) Environmental tobacco smoke – T obacco smoking is the primary source of several indoor emissions ( benzene , fine and ultrafine particles) and associated health effects. In adults, secondhand tobacco smoke is linked...