From December into January there have been numerous air quality alert days. The top contributor this time of year is the holiday fireworks.

At least five people are dead and many more injured as several fires broke out across Southern California amid historically ...

The Commission for Air Quality Management on Thursday reimposed emergency measures under stage 3 of the Graded Response ...

The fires burning across Los Angeles County have sent billowing plumes of black smoke into the air, posing a major health ...