Everyone loves a breath of fresh air. Unfortunately, too often our air is anything but fresh. While air quality varies dramatically from place to place and day to day, nearly the entire world - about ...

Results of a new study by environmental health scientists at the University of Massachusetts Amherst suggest that inexpensive cloth masks worn by people who hope to reduce their exposure to air ...

In the last several years, masks have been recognized as a crucial tool in safeguarding public health, particularly during the COVID-19 pandemic. Now, with the chaos of public rioting across ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LOS ANGELES (AP) — With levels of sooty air ...