Education Center
Air Quality Education Center
Free, science-based learning for students, families, educators, and citizens.
Pollutant Library
Fine Particulate Matter
PM2.5
Microscopic particles that lodge deep in the lungs and enter the bloodstream. Sources: combustion, wildfires, dust.
Air Pollution Calculator
Estimate your annual driving CO2 emissions.
12,000 mi
28 mpg
Estimated CO2 emissions
3,810 lbs/yr
≈ 1.73 metric tons
Resources for Educators
K–12 Curriculum
Lesson plans aligned to NGSS, in 30 languages.
Interactive Maps
Real-time global AQI maps for classroom use.
Environmental Reports
Annual data reports on global air quality trends.