Don't Let Clean Skies Fool You,
We All Need To Be Air Aware.
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Ozone Alert Days
When weather conditions are predicted to be just right for a high ozone day, an Ozone Alert will be issued. Ozone Alerts will be issued the day before the Ozone Alert Day, so that you can plan your ozone-friendly actions for the next day to keep ozone levels low.
Actions for an Ozone Alert Day to Keep Ozone Levels Low
Share a ride, wialk or bike
Take the bus
Refuel in the evening
Drive less - postpone errands and take your lunch to work
Do lawn and garden chores gasoline-free
Turn your key, be idle gree
Walk-in, avoid the drive-thru
Postpone projects that use products that produce fumes - solvents, varnishes, paints, and some cleaners
Why Do We Care About Ozone?
Ozone is a type of air pollution that harms lung function when exposure levels are high or over a long period of time. Certain groups of people are more sensitive to the harmful health effects of ozone. These groups are children, older adults, asthmatics, those with respiratory diseases like emphysema or COPD, and people with active outdoor lifestyles.
Get more information on the health impacts of high ozone levels.
Where Does Ozone Come From?
Ozone occurs in two places within the Earth's atmosphere. The
Ozone Layer is located 6-30 miles above the Earth's surface. This protective layer of ozone reduces the amount of harmful UV radiation reaching the Earth's surface.
Ground-level ozone, in the air we breathe, is the result of a chemical reaction, triggered by warm temperatures and sunlight. When nitrogen oxides (NOx) and volatile organic compounds (VOCs) react due to UV light and heat ozone is formed.
NOx and VOCs are the ingredients that form ozone. Significant sources of VOCs are chemical plants, gasoline pumps, oil-based paints, autobody shops, and print shops. NOx are the result of combustion vehicles, lawn mowers, power plants, and industrial furnaces and boilers.