Bay Area's air quality struggles despite green reputation, with high ozone and particle pollution impacting health, ...

Cal Quantrill, standing outside the Marlins clubhouse following their 8-4 win over the Mariners, had to smile thinking about ...

Pollution levels in certain parts of the US are soaring to dangerous levels with vulnerable people being advised to avoid ...

Air quality​ in the metro area that includes Boston, Worcester and Providence has gotten worse, a new report​ says.

Smoke from a NJ wildfire is pushing NYC air quality into the danger zone. Officials urge sensitive groups to limit outdoor ...

Nearly half of all Americans now live in places with unhealthy air, and the Bay Area metro is among the top 20 in poor air ...