04/13/2026
The American Thoracic Society – along with 16 health, community and environmental groups – filed a lawsuit against the EPA for failing to implement the strengthened 2024 national ambient air quality standard (NAAQS) for particulate matter air pollution. To reduce the amount of deadly pollution in the air people breathe, the law requires the EPA to designate areas that are in violation of the standard and put them on a path to clean air, but the EPA has failed to do so by the legally required deadline.
Learn more: https://site.thoracic.org/press-releases/coalition-sues-trump-epa-for-failure-to-follow-through-on-life-saving-national-soot-standard