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Publication Date: Jun.22

PRESS RELEASE | ADEQ Issues Ozone High Pollution Advisory for Maricopa County Effective Friday, June 23, 2017

ADEQ is issuing an ozone High Pollution Advisory (HPA) for Maricopa County, effective Friday, June 23, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

Publication Date: Jun.20

PRESS RELEASE | ADEQ Extends Ozone High Pollution Advisory for Maricopa County Effective Through Wednesday, June 21, 2017

ADEQ is extending an ozone High Pollution Advisory (HPA) for Maricopa County for an eighth consecutive day, effective Wednesday, June 21, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

Publication Date: Jun.19

PRESS RELEASE | ADEQ Extends Ozone High Pollution Advisory for Maricopa County Effective Through Tuesday, June 20, 2017

ADEQ is extending an ozone High Pollution Advisory (HPA) for Maricopa County, effective through Tuesday, June 20, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

PRESS RELEASE | ADEQ Issues Ozone High Pollution Advisory for Yuma Effective Tuesday, June 20, 2017

ADEQ is issuing an ozone High Pollution Advisory (HPA) for Yuma, effective Tuesday, June 20, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

Publication Date: Jun.16

PRESS RELEASE | ADEQ Extends Ozone High Pollution Advisory for Maricopa County Effective Through Monday, June 19, 2017

ADEQ is extending an ozone High Pollution Advisory (HPA) for Maricopa County, effective through Monday, June 19, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

Publication Date: Jun.15

Featured Current News

ADEQ is issuing an ozone High Pollution Advisory (HPA) for Maricopa County, effective Friday, June 23, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone | View more >

ADEQ Confirms Groundwater Quality Now Restored at Three WQARF Sites in Phoenix and Quartzsite

Working with Arizona communities, ADEQ removes three sites from Arizona’s Water Quality Assurance Revolving Fund (WQARF) Registry

ADEQ officials announced today that contaminated groundwater at three sites now meets applicable Aquifer Water Quality Standards (AWQSs), allowing their removal from the WQARF Registry. Each of these sites was added to the registry in 1998 due to groundwater contamination.

Publication Date: Jun.14

PRESS RELEASE | ADEQ Extends Ozone High Pollution Advisory for Maricopa County Effective Through Friday, June 16, 2017

ADEQ is extending an ozone High Pollution Advisory (HPA) for Maricopa County, effective through Friday, June 16, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

Publication Date: Jun.13

PRESS RELEASE | ADEQ Issues Ozone High Pollution Advisory for Maricopa County Effective Wednesday, June 14, 2017

ADEQ is issuing an ozone High Pollution Advisory (HPA) for Maricopa County, effective Wednesday, June 14, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

Publication Date: Jun.1

PRESS RELEASE | ADEQ Issues Ozone High Pollution Advisory for Maricopa County Effective Fri., June 2, 2017

ADEQ is issuing an ozone High Pollution Advisory (HPA) for Maricopa County, effective Fri., June 2, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

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