These effects can be worse for anyone who spends a lot of time exercising or working outdoors. When you exercise heavily, you may increase your intake of air by as much at 10 times your level at rest. Children are also at increased risk of respiratory problems caused by ozone. Their lungs are still developing, and they breathe more rapidly and inhale more air pollution per pound of body weight than adults. More about the hazards of ozone Help with PDF .
Cars are a significant source of air pollution.
Thinking about where, when, why, and how you are driving can help you change your driving habits. Driving actions Changing your driving habits is part, but not all of the solution. Other things we do cause air pollution. Doing yard work with gasoline powered mowers, edgers, and leaf blowers contributes significantly to air pollution. Engines in boats and all-terrain vehicles do not have the pollution control features that car engines do.