Several cities have heat emergency plans. Are they enough in a warming world?

Natural disasters can be dramatic — barreling hurricanes, building-toppling tornadoes — but heat is more deadly. Many cities are beginning to plan their responses to the looming threat.

Tempe youth start audio project on extreme heat

The city of Tempe Office of Sustainability and Resilience started up this audio project, featuring youth like Shalae Clemens, who grew up in this extreme heat.

Summer heat is the 'No. 1 weather-related killer,' doctor warns

States in the Southwest and West have been under Excessive Heat Warnings and heat advisories for the past two weeks

Chinese cities open air raid shelters for relief amid deadly heat wave

Cities across China opened their air raid shelters to offer residents relief from the heat Friday as unusually high temperatures across parts of the country started claiming lives.

Earth sees hottest day on record for third straight day

The daily highs are an indication that climate change is reaching uncharted territory, scientists say.

Slow start to Arizona's monsoon season ups wildfire worries

An Arizona summertime visitor has been noticeably absent this time of year. We haven’t received any monsoon storms since the start of the season and that puts us in a critical fire weather pattern.

Hiker dies amid extreme heat in Grand Canyon

Officials say a 57-year-old woman died while hiking in the Grand Canyon last weekend.

Latest heat-related death numbers in Maricopa County
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Looking at the latest heat-related deaths reported in Maricopa County, at least six people have died from the heat since the start of the year. Forty-three other deaths are currently under investigation. The county says all of the deaths so far this year happened outside.

This smoky summer could be America's 'new abnormal'

Wildfires are already consuming three times more of the United States and Canada each year than in the 1980s and studies predict fire and smoke to worsen.

Excessive heat expected in Valley for weekend
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People in the Phoenix area can expect some hot days, as the National Weather Service issues an Excessive Heat Watch for the Phoenix area, as well as parts of the Arizona High Country. FOX 10 Meteorologist Krystal Ortiz has more on what may be in store.

How is air quality measured?

As smoky air from Canada’s wildfires shrouds broad swaths of the U.S., here are seven facts you should know about measuring air quality.

Some upsides of Arizona's summer heat

As we adjust to extreme heat this summer in Arizona, we thought, why not look on the bright side? Here are some positives.