A map shared by the National Weather Service on Monday night shows the highest temperatures in California ... one-fifth of the U.S. population, are under some type of heat advisory this week.

The National Weather Service HeatRisk map shows “major” and “extreme” heat risk – shaded in red and purple, respectively – across most of California on Friday, July 5, 2024.

The National Weather Service HeatRisk map shows “major” and “extreme” heat risk – shaded in red and purple, respectively – across most of California on Friday, July 5, 2024.

seven extreme heat waves between 2013 and 2022 resulted in nearly 460 deaths, 5,000 hospitalizations, and 344 adverse birth outcomes, affecting nearly the entire population of California.

Jordan King is a Newsweek reporter based in London, U.K. Her current focus is on religion, health, food safety and population ... English. California is set to experience a heat wave over the ...

A CalMatters analysis shows that many California cities with the biggest recent population booms are the same places that will experience the most high heat days — a potentially deadly confluence.

According to the science communications firm Climate Central, human-caused climate change has made this week’s heat wave in California at least five times as probable. The maps that follow help ...

Multiple California cities have broken records ... Around 73 million Americans, approximately one-fifth of the U.S. population, are under some type of heat advisory this week.