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In Case You'd Like to Know More:

About Ozone in General

About Driving

The number of No Drive Days called in recent years:

Keep in mind that weather plays an important factor in the formation of ozone. (Source: DAQ Air Monitoring)

By simply parking your vehicle for one day, the average driver would keep just over ¼ pound of pollution out of the air. While that may not seem like much, if every driver along the Wasatch Front would park his/her vehicle for one day per week, emissions would decrease by 125 tons that week or 6,500 tons for the year. (Source: DAQ Mobile Source)

When a car is at idle, emissions of carbon monoxide are at their highest. As speed increases, it drops dramatically, but increases again with speeds over 50 mph. (Source: EPA)

Using a gas-powered lawn mower for one hour produces as much pollution as driving your car 50 miles. Using a chain saw for one hour produces as much pollution as driving your car 200 miles. Using an outboard motor produces as much pollution as driving your car 800 miles. (Source: Popular Science, July 1992)

About Health

Estimates are that one in three Utahns experience some type of respiratory problem during high pollution periods.
(Source DAQ Toxicologist)

Prolonged exposure to low levels of ozone can reduce a healthy adult's lung function by 15 to 20 percent. (Source: EPA)

Emergency room visits and hospital admissions for asthma increase about 24 hours after ozone levels are high. (Source: EPA)

More than 47,000 children in Utah have asthma. (Source: American Lung Association of Utah)

Information on Utah's Asthma Program

If you have questions about your own health, contact your doctor or health care provider.

How pollution affects your lungs

Illustration: How pollution affects your lungs

View an interactive production
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Courtesy of the Pima County
Department of Environmental Quality

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Sponsored by the Utah Department of Environmental Quality