Daytime temperatures in the 110s and nighttimes at or above 90 degrees stress bodies and may raise Arizona's death count.

Hottest US city, buffeted by extreme temperatures, sees 579 heat-related in 2023, with large proportion among unhoused people Heat deaths surged by 50% in Phoenix in 2023 – the deadliest year on ...

PHOENIX – Residents of the hottest metropolitan area in the U.S. have suffered another record for heat-related deaths this year. As of Wednesday, there have been 569 confirmed deaths caused by ...

Phoenix will launch a new overnight heat relief program next summer and a slew of homelessness services programs using nearly $20 million in federal funds the city was at risk of losing.

As temperatures finally cool into the 80s and autumn settles in the city, many Phoenix residents will tell out-of-town friends this is the time of year that makes living in America's hottest big ...

Three coal-fired power plants on the edges of the Navajo Nation were blamed for almost 900 deaths over a 20-year period.

Several states have enacted or are considering measures designed to protect residents from the health effects record-breaking ...

PHOENIX – Residents of the hottest metropolitan area in the U.S. have suffered another record for heat-related deaths this year. The staggering number of deaths reported this year is already 33% ...

Phoenix will launch a new overnight heat relief program next summer and a slew of homelessness services programs using nearly ...