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 >