Requirements for Off Highway Recreational Vehicles
Laws limiting OHV activity in Maricopa County took effect April 08, 2008. On days when a High Pollution Advisory (HPA) for particulate matter 10 microns or less (PM10) has been issued, recreational off-road activities will not be permitted. If you are planning to drive or ride an OHV within Maricopa County or the Apache Junction area, check first to see if an advisory has been issued by calling (800) 234-5677 or visit the Maricopa County Air Quality Department . You may also subscribe to receive by text message ADEQ's Air Quality Forecasts and Advisories.