EPA AQS · PM2.5 fine particles

PM2.5 Air Pollution by State

Name: PM2.5 Air Pollution by State
Creator: U.S. EPA (AQS)
License: https://www.usa.gov/government-works

Annual average concentration of fine particulate matter (PM2.5) — the pollutant most tied to health harm — by state, in micrograms per cubic meter.