Knowledge Hub
Evidence, health science, related initiatives, and resources for healthier learning environments.
Why this matters
Indoor air quality directly affects student cognition, attendance, and long-term health. SchoolAir gathers the science, the standards, and the active projects shaping policy worldwide so that schools, parents, and researchers have a single, trusted reference. Browse the categories below or follow the highlights for a quick snapshot.
Evidence & Research
Peer-reviewed studies linking CO₂, PM2.5, and VOCs to cognition, attendance, and respiratory health — including Harvard COGfx, MOVE-AIR, and the NBER absenteeism work.
Explore →Health Impacts on Students
How specific pollutants affect children — short-term cognitive load, asthma triggers, long-term lung development — and what concentrations matter in a classroom.
Explore →Related Initiatives & News
Citizen science projects, "School Streets" campaigns, EU and US policy, and other organizations working on cleaner air around schools.
Explore →Standards & Resources
WHO and EPA guideline values, classroom ventilation targets, and downloadable fact sheets you can share with teachers, parents, and administrators.
Explore →Headline numbers
Why classroom air quality is a measurable lever for learning outcomes.