Working to improve the air of Maricopa County so customers, residents, and visitors can live, work, and play in a healthy environment, Maricopa County is excited to announce the launch of our new online permitting system, Permit Center!Equipment are checked, and all performance measures specified in the purchase agreement are confirmed. In 2016, the Maricopa County Air Quality Department's Air Monitoring Division maintained 26 ambient air monitoring sites throughout Maricopa County. Members of the public attending in person are asked to fill out a Request to Speak form. Comments must not exceed three minutes in length. Mesa is committed to reducing air pollution. Air Quality Department (MCAQD) and Maricopa Association of Governments. Equipment are checked, and all performance measures specified in the purchase agreement are confirmed. December 2000, Maricopa County implemented RACT in the following Maricopa County Air.