What is in the air? Pollutants and the AQI

World 6: Air Quality is part of PRO

The first world of Planet Fixers is free. PRO opens the other 25 lessons in 6 worlds — simulations, quizzes and all.

• 🔒 Tiny particles, big effects: PM2.5 and health
• 🔒 Smog, wind and the inversion lid
• 🔒 Cleaning the air: what actually works
• 🔒 How much is too much? The scale of the problem
• 🔒 Capture at the smokestack: amine scrubbing

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly