The number of days reaching 50 degrees Celsius has doubled since the 1980s

Thermometer shows 50 degrees more and more often

Such days are occurring in more areas than ever before, posing an unprecedented challenge to human health and lifestyle.

The number of 50-degree days has increased every decade since the 1980s. Between 1980 and 2009, temperatures exceeded 50 degrees on average 14 days a year.

Between 2010 and 2019, that number rose to 26. During the same period, temperatures of 45 degrees or more were measured on an average of 14 days per year. (MTI)