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.
Exposure–response curves of different air pollutants and mortality under a single air pollutant model. The black line represents the average relative risk, and the dashed line represents the 95% confidence interval of the risk estimate. PM2.5, fine particulate matter; PM10, inhalable particles; SO2, sulfur dioxide; O3, ozone; NO2, nitric dioxide; CO, carbon monoxide.
