Climate Matters
More Extremely Hot Days
The number of extremely hot summer days is increasing in much of the U.S., and with it, the risk of heat-related illness.
Related Climate Matters
See all Climate MattersClimate Matters © 2018 by Climate Central is licensed under CC BY 4.0
This license grants permission to use, distribute, and reproduce all text, graphics, and multimedia content published on this page in any medium, provided that Climate Central is credited per the CC BY 4.0 license.
Permission to use data and other materials published on this page is granted for non-commercial uses, commercial news purposes, and educational purposes as governed by Climate Central's Terms of Use.