The National Weather Service has issued an Exceptional Heat Warning for Mohave County until July 24 and La Paz, Maricopa, Pinal and Yuma Counties until July 26 in Arizona. Public cooling centers are available in some areas. Stay cool, stay hydrated, and stay informed.
The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory (HPA) for Tuesday, July 23 and Wednesday, July 24.\
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HPA Restrictions
Transportation Coordinators
Due to unhealthy levels of particulate matter, all Transportation Coordinators are requested to email employees and activate your HPA plans. The department encourages the use of alternative modes of transportation, especially when pollution levels are expected to be on the rise.
Ozone: Ground level ozone is formed by a chemical reaction that needs heat from sunlight, nitrogen oxides and VOCs to form. The months of April through September make up our Valley’s longer-than-normal "ozone season."
"High Pollution Advisory" or "HPA" means the highest concentration of pollution may exceed the federal health standard. Active children, adults, and people with lung disease such as asthma should reduce prolonged or heavy outdoor exertion.