The report from the Copernicus Climate Change Service also noted that Earth set a new mark for how far above normal temperatures reached in September.

Temperatures will linger in the triple digits for parts of California, Oregon, Washington, Idaho and Montana this week, with little relief coming at night.

Forehead thermometers were significantly less likely to have accurate readings for Black patients compared to oral thermometers. There could be two reasons for this.

A huge chunk of England, from London in the south to Manchester and Leeds in the north, is under the country's first warning of "extreme" heat.

Parts of the Great Plains are forecast to hit record-breaking temperatures this week, while in Europe, extreme heat has fueled wildfires and contributed to hundreds of deaths in recent days.