The latest science doesn’t back up the idea that the nation’s air quality standards for fine particle pollution are enough to protect public health, the EPA’s staff said in a recent report.
EPA Administrator Andrew Wheeler may propose as early as March whether to maintain or tighten the current annual and 24-hour limits on fine airborne particle pollution, or PM 2.5. The proposal will be based on the staff report, which is dated Jan. 20, and the recommendations of the Environmental Protection Agency’s seven clean air advisers.
PM 2.5 refers to the ...