Area A: 

A section of Arizona in Maricopa and parts of Pinal County have the following restrictions in place to help reduce air pollution: 

• Vehicles registered at addresses located in Area A that are more than five years old (by manufacture date) require an emissions test | Learn More >
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Area B:

A section of  Pima County has the following restrictions in place to help reduce air pollution:

• Vehicles registered at addresses located in Area B that are more than five years old (by manufacture date) require an emissions test | Learn More > | View Map >