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Ozone Planning

The Air Quality Program’s goal is to remain in attainment (compliance) with EPA's National Ambient Air Quality Standard for ozone.

The Air Quality Program's Ozone Reduction Initiative includes:

Vehicle owners can help reduce ground-level ozone by following these tips:

  • Refuel your vehicle during the coolest times of day
  • Maintain proper tire pressure to boost your car's performance and our air quality
  • Turn off your engine instead of idling to save gas and reduces emissions
  • Bike, carpool, or use public transit to reduce emissions from vehicles

Ways to limit your exposure to ground-level ozone:

  • Exercise indoors or early in the day when ozone levels are lowest. As the day progresses and the temperature rises, ozone levels also get higher.
  • Stay away from high-traffic areas. Don’t walk, jog, or cycle along the freeway or places where cars tend to idle.
  • Use ozone-reducing air filters indoors to control the ozone entering your home.

Read the report that describes air quality modeling of factors contributing to high local ozone levels during June and July of 2017.