Wildfires blanketing several Western cities are creating hazardous health conditions. Don't count on cloth masks to protect your lungs.
A new study shows that while fine particle air pollution has declined nationwide over the past 40 years, the health and environmental benefits haven't been shared evenly.
From Nairobi to Los Angeles, pandemic lockdowns have cleared pollution from the skies. But those blue vistas may be temporary, and shutdowns aren't slowing climate change.
After a 5-year review, the EPA is leaving US standards for fine particle air pollution unchanged, even though recent studies suggest that tightening them could save thousands of lives yearly.
A new study takes an innovative approach to reducing fine particle air pollution and spotlights key sources: factories that burn coal and oil, petrochemical plants and burning wood for home heating.
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