Children are more sensitive to pollution than adults.
Schools have higher numbers of people in smaller spaces than most commercial or other indoor spaces. Children are expected to be at their peak concentration and attention levels when they are in school. Pollutants can reduce the cognitive abilities of children as well as adults. Examples of school districts that have successfully improved their IAQ with remarkable results in improved health, attendance and academic success of their students. According to the American Lung Association, asthma is the biggest single reason for school absenteeism.