Health officials are warning residents to avoid swimming, surfing and playing in ocean water at several Los Angeles County beaches due to bacterial levels exceeding state health standards. These ...

The study released Wednesday also documented the region’s inordinate short-term and year-round particle pollution. The annual ...

An air quality alert was reported by the NWS Phoenix AZ on Friday at 7:19 a.m. in effect until Sunday at midnight. The alert ...

The air agency doesn’t plan to monitor the air or take any immediate steps to protect schools and households from the gas, ...

Runoff from the toxic burn — which sent melted materials from not just homes and buildings but untold vehicles, electronics, ...

Inference, training, and everyday operations all contribute to the considerable water and power consumption required to run ...

Five facilities near schools and houses in L.A. County fumigate produce shipped from overseas with methyl bromide. But the air agency doesn’t plan to monitor the air or take any immediate steps to ...

Visalia is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the American ...

Various popular weather apps across Chicago showed that the air was unsafe to breathe early Wednesday morning, prompting ...

Five facilities near schools and houses in LA County fumigate produce shipped from overseas with methyl bromide. But the air ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

The American Lung Association’s report ranks the Atlanta metro area as the third-worst in the Southeast for ozone pollution.