The Air Quality Index, or AQI, is a color-coded way for residents to see real-time air quality levels in their area. Larger sources of air pollution are also required to have a major source permit, commonly known as a "Title V permit" or "Renewable Operating Permit" (ROP).Submittal of permit applications as well as compliance and emissions reporting can now be done electronically through MiEnviro Portal. If you are ineligible for the Clean Air Rooms Program, the District encourages you to purchase your own home air purifier or make your own. 24-Hour Environmental Hotline providing you more access to a wide variety of environmental services 7 days a week. 1-888-888-2363 If you purchase a hazardous product, use it as directed on the label, follow disposal instructions, or dispose of it through your local Household Hazardous. Frequently Asked Questions: Is air quality improving? What affects air quality in the Valley? Air quality burn permits can be purchased or renewed online via the NCUAQMD Online Burn Permit Portal. Bold action to improve air pollution can deliver swift and locally-felt rewards.