News Flash

Posted on: September 21, 2022

Reduce Dust When Planting Winter Ryegrass

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PHOENIX (September 21, 2022) — The Maricopa County Air Quality Department (MCAQD) encourages commercial and resort properties, golf courses, government agencies, and residents to take dust reduction measures when planting winter ryegrass this fa...

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Air Quality
Posted on: August 17, 2022

Ozone High Pollution Advisories: What They Mean and How You Can Stay Safe

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PHOENIX (August 17, 2022) – Maricopa County residents may have noticed numerous ozone High Pollution Advisories (HPAs) this summer. The purpose of an HPA is to notify the public about the potential for unhealthy air quality conditions so everyon...

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Air Quality
Posted on: March 21, 2022

Maricopa County’s Air Quality Impacted by Improper Weed Removal

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PHOENIX (March 21, 2022) – Air pollution caused by dust is a concern for Maricopa County residents throughout the year, but the removal of weeds during spring and summer months becomes a major nuisance for air quality. Improper weed rem...

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Air Quality
Posted on: February 1, 2022

Diesel Emissions Reduction Act (DERA) Program Subawards Announced

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PHOENIX (February 1, 2022) – The Maricopa County Air Quality Department (MCAQD) is pleased to announce that three organizations have been selected as the 2021 program year State Clean Diesel Grant Program subaward recipients. The State Clean Die...

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Air Quality