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Air quality is improving in some metro areas, but worsening in the Midwest and California, per EPA dataJanuary 28, 2025 -
Study shows the dangers of air pollution exposure during pregnancyNovember 30, 2024 -
Air pollution could harm children's learning and memory, study findsNovember 2, 2024 -
More than one-third of Americans routinely breathe in unhealthy airApril 25, 2024 -
Leaf blowers, lawn mowers create up to 5% of US air pollutionOctober 31, 2023 -
Air pollution might be a factor in causing dementiaAugust 15, 2023 -
Parts of area move into 'very unhealthy' Code Purple air alertJune 29, 2023 -
Thick smoke from Canadian wildfires prompts Code Red dayJune 28, 2023 -
Another Code Orange day issued for Pittsburgh areaJune 9, 2023 -
Code Red air quality day issued for all of PennsylvaniaJune 7, 2023