Specific criteria has been established for the classification of chemical health and physical hazards, with many hazard classes sub-divided into hazard categories based on the severity of the hazard.

Cal Fire will begin rolling out new fire-hazard severity maps, which are expected to more than double the land in ...

In some areas, hazards have surged. Buildings in the highest hazard zones will be subject to the strictest fire-resiliency ...

Here's what the severity levels mean and what you ... for the various stages of an emergency and different hazards. The Australian Fire Danger Rating System is used to alert communities when ...