A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland ...

A massive crushing and recycling operation to deal with fire debris is underway at Altadena Golf Course. Residents are ...

In the study, conducted by IQAir, Ontario was ranked as the worst, followed closely by Bloomington, Huntington Park, San ...

Air-quality officials are advising people in several Southern California cities to keep their doors and windows closed amid ...

Despite residents’ health complaints and community pushback, the airport’s operations continue to expand, intensifying ...