As wildfires rage for the third consecutive day through parts of Los Angeles, now including the Hollywood Hills, several ...

Throughout the ongoing wildfires, California officials have relied on emergency alerts to communicate with citizens. This system is an ...

AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

Good (Green): 0-50 AQI means there is little or no health risk associated with air quality. Moderate (Yellow): 51-100 AQI ...

Hundreds of flood warnings and alerts in place after most of country saw heavy snow or icy rainfall over weekend and consequent disruption ...