A Post analysis shows that about 20 percent of the land area — covering around 7.5 million square miles — experienced moderate or greater concentrations of the soot released by wildfires at some point during July.

Hundreds of records fell as temperatures climbed to levels higher than nearly the rest of the planet. The heat wave will expand across Europe through the weekend.

The storm brought a 1-in-200-year rainfall event to a community in Louisiana. Here’s how much rain fell.

NOAA warned of a rare high-risk level for excessive rainfall that could cause flash flooding in a stretch from eastern Louisiana to the Florida Panhandle on Thursday.