An ozone high-pollution advisory has been issued for Friday by the Arizona Department of Environmental Quality.

The advisory was issued because the highest concentration of pollution may exceed the federal health standard on Friday, April 21.

Restrictions include:

• Wood burning in residential fireplaces, chimeneas, outdoor fire pits and similar outdoor fires is prohibited in Maricopa County. It includes individuals and businesses that have burn permits for open burning.
• Employees and contractors of government entities are prohibited from operating leaf blowers. Residents are encouraged to avoid leaf blowing.
• Off-road vehicle use should be avoided.
• Driving should be kept to a minimum.