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Maricopa County Air Quality Department
Air Quality News  

image - Ozone Season Begins April 1 Ozone Season Begins April 1 4/1/2015
April marks the beginning of ‘Ozone Season’ in Maricopa County ....More Details


image - Thank You County Residents for Cleaner Air During Holidays Thank You County Residents for Cleaner Air During Holidays 1/7/2015
County residents who did their part by adhering to the No Burn Day restrictions helped keep our air clean. ....More Details


image - System Maintenance System Maintenance 12/30/2014
Maricopa County Regional Development Services Agencies will be undergoing system maintenance ....More Details


image - No Air Quality Exceedances Christmas Eve and Day No Air Quality Exceedances Christmas Eve and Day 12/26/2014
Concentrations levels in Maricopa County remained under the federal health standards on Christmas Eve and Christmas Day for the first time in six years. ....More Details


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