Figure 2.
The summary effects of ambient ozone on mortality in each season of southern and northern US communities. Note: All results were adjusted for daily mean temperature (TM), time, day of week and relative humidity (RH).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.