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Planning Area Maps

The interactive planning area map has the following map layers: PM10 non-attainment area, ozone non-attainment area, carbon monoxide (CO) maintenance area, and Area A (described after the map instructions, below), as well as a layer for county boundaries and one for township, range and section. By default, all of the layers are visible.

How to Use the Interactive Map

To turn layers of the interactive map on and off, click on ‘Content’ in the upper left.


interactive map content menu

Then click the checkbox next to the layer(s) that you would like to turn off or on.


interactive map layer on and off

Note that ‘Streets’ is the base map and cannot be turned off.


To zoom in or zoom out, use the roller on your mouse, or use the + and – buttons in the upper left of the map. To return the map to its original size, use the ‘home’ icon (the house icon).


interactive map zoom

To search for an address, type the address in the search bar in the upper left of the map and hit Enter.


interactive map search

PM10 Nonattainment Area: The area designated by EPA that exceeds the acceptable national standard for PM10 (particulate matter less than 10 microns) pollution levels. PM10 includes dust, soot and other tiny bits of solid materials that are released into and move around in the air. PM10 is produced by many sources, including exhaust from cars, trucks, buses and planes, industrial sources like power plants, fugitive dust sources like construction, mining and agricultural activities, as well as fuel combustion like the operation of fireplaces and woodstoves.


8 Hour Ozone Nonattainment Area: The area designated by EPA that exceeds the current acceptable national standard for ozone pollution levels. At ground-level, ozone is the primary constituent of smog. Ozone is not emitted directly into the air but is formed by the reaction of VOCs and NOx in the presence of heat and sunlight. VOCs are emitted from a variety of sources, including motor vehicles, chemical plants, refineries, factories, consumer and commercial products, and other industrial sources. Nitrogen oxides are emitted from motor vehicles, power plants, and other sources of combustion.


1 Hour Ozone Nonattainment Area: The area designated by EPA that exceeds the now defunct (replaced by 8 Hour Ozone Standard) acceptable national standard for ozone pollution levels. At ground-level, ozone is the primary constituent of smog. Ozone is not emitted directly into the air but is formed by the reaction of VOCs and NOx in the presence of heat and sunlight. VOCs are emitted from a variety of sources, including motor vehicles, chemical plants, refineries, factories, consumer and commercial products, and other industrial sources. Nitrogen oxides are emitted from motor vehicles, power plants, and other sources of combustion.


CO Maintenance Area: The area previously designated by EPA that exceeded acceptable national standards for CO (carbon monoxide) pollution levels. EPA redesignated this area in attainment of the national CO standards in 2005, thus declaring the area a maintenance area as opposed to a nonattainment area. Carbon monoxide (CO) is an odorless, colorless gas. It forms when the carbon in fuels does not completely burn. Vehicle exhaust contributes roughly 60 percent of all carbon monoxide emissions nationwide, and up to 95 percent in cities. Other sources include fuel combustion in industrial processes and natural sources such as wildfires.


Area A: Area A was originally drawn by the Arizona Department of Environmental Quality (ADEQ) as the area under which the clean burning gasoline measures (emissions testing, summer and winter fuel formulations) are applicable. Since then, the boundary has been used by many other state statues, rules and ordinances (such as residential wood-burning) as the area of applicability for those respective regulations.