As wind and fire conditions change rapidly, zoom in and out on the interactive map below to see where air quality is worst around Southern California. You can also open the map in a new window here.

In Southern California, the infamous San Andreas ... major seismic event within the next 20-30 years. This map shows locations of earthquakes of magnitude 2.5 or larger. Red circles mark ...

The state is seeing a sharp water divide this year, with lots of rain in the north while the south has stayed dry. A ...