Air temperature map of the U.S. on July 31, 2022.

We knew July was hot, but this air temperature map shows it in a different light. The heat in the dark areas can be deadly for vulnerable people.

The month of July was the hottest on record in Houston. More than 100 million Americans were under a heat warning by the end of July. The last week of July was warm in the Pacific Northwest. The Portland, Oregon area experienced six days of warm weather. There were at least seven deaths in the Portland region in July.

The giant sequoia trees in the park are close to the fire. The McKinney Fire became the largest wildfire in California in a few days and killed four people.

Image for article titled This Heat Map of the U.S. Is... Yikes

On July 19 of this year, the UK had its hottest day on record. The region where most homes do not have central air conditioning and where much of the infrastructure was designed to tolerate cooler, damp weather had a temperature of 104 degrees F. The hottest day in France since 2003 happened on July 18.

The animation shows how the heat stayed intense all month.

In Europe, the heat was very dangerous. A Spanish public health research organization recorded over a thousand deaths due to the hot weather in July. Portugal reported a lot of heat-related deaths. The city's fire brigade had its busiest day since World War II when there were so many fires in late July, according to the mayor. During the heat wave in the UK, the brigade received over 3000 calls in a single day.