Many places could experience an increasing number of days detrimental to human health

Number of days with a heat index above 32C across select cities

Guardian graphicSource: Nasa Earth Exchange global daily downscaled projection, The Cooling Solution. Note: 2014 is a 2005-14  average, 2050 is a 2046-55 average. Forecast is based on SSP245 scenario. Heat index is based on how hot one feels, accounting for ambient air temperature and relative humidity