• Types of Pollution
    • Ground Level Ozone
    • Particulate Matter (PM2.5)
  • Action Days
  • Do Your Part
  • Resources
  • Blog
  • Contact
Types of Pollution Ground Level Ozone Particulate Matter (PM2.5) Action Days Do Your Part Resources Blog Contact
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Knozone is an initiative to make Central Indiana one of the Midwest's most sustainable, livable regions. Through education, resources, and guidance for taking action, Knozone works with residents, schools, and businesses to improve our region's air quality, making Central Indiana a great place to live, work, and visit.

  • City of Indianapolis
  • Office of Sustainability