The Maricopa County Air Quality Department (MCAQD) announces the launch of the "Commit to One Day, Help Keep Ozone Away," summer campaign to educate county residents about the negative impacts of ground-level ozone on air quality and public health.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

This High Pollution Advisory is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.