Ozone: Summer days tend to see higher concentrations of this gas, which is harmful when it forms near the ground. Hot and sunny conditions accelerate that process. Ground-level ozone irritates the ...

Rancho Cordova is celebrating Independence Day with its 40th annual, two-day festival and parade at Hogan Community Park.

Early election night results show San Jose Planning Commission Chair Anthony Tordillos leading by double digits in the race ...

NEW YORK (AP) — Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess ...

Three people were taken to a hospital for minor injuries after a crash involving a light rail and a car occurred Tuesday ...

Josh Pickles, 37, of San Francisco, his parents, 73-year-old Terry Pickles and 71-year-old Paula Bozinovich of Redwood City, ...

In recent weeks, South Carolina Highway Patrol said there have been some alarming incidents where state troopers narrowly ...

Elly De La Cruz’s near cycle helps Reds down Yankees, prosecutors request five-year sentence for embattled Rays shortstop, ...

Northern Nevada and the Lake Tahoe area will celebrate America's 249th birthday with sports, concerts and more than a dozen ...

A heat dome occurs when a large area of high pressure in the upper atmosphere acts as a reservoir, trapping heat and humidity ...

Divers searched a section of Lake Tahoe on Monday for two people still missing after six others were killed when a boat capsized during a powerful weekend ...