ARS 49-457.01 is a state law that pertains to leaf blower use and states:

Leaf blower use restrictions and training; leaf blower equipment sellers; informational material; outreach; applicability

• Applies to county with 2 million+ people that is designated nonattainment or maintenance for Serious PM₁₀ (in Arizona this is limited to Maricopa County, which is a Serious PM₁₀ nonattainment area)
• No person (public or private) can blow debris into public roadways
• No person can use leaf blowers except on stabilized surfaces (as defined in statute)

See ARS 49-457.01| Read Now >

ARS 9-500.04 is a state law that pertains to air quality control area which is: 

• Area A | View Map >
• No city/town employees or city/town contractors can operate leaf blowers on a High Pollution Advisory Day

See ARS 9-500.04 | Read Now >

Maricopa County has ordinance P-25 regarding the use of leaf blowers:

The Maricopa County Air Quality Department (MCAQD) has jurisdiction over pollution sources within the boundary of Maricopa County | Learn More about P-25 >