Climatic changes - The Statesman

Climatic changes

Current air pollution standards tied to higher heart risks: Study

In January 2023, the EPA announced a proposal to tighten the annual PM2.5 standard by reducing the acceptable level to between 9.0 to 10.0 micrograms per cubic meter. The EPA said it was advising this change because the current standard did not adequately protect public health under the guidelines required by the Clean Air Act.