Figure 3.
Annual average ambient concentrations from point sources of: PM2.5 (A); and SO2 (B). Percentage of the population identifying as: Hispanic or Latino (C); or as persons of color (excludes non-Hispanic whites) (D).
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.