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Forecast: Forecast Legend

 

The Action Forecast uses an Unrestricted, Voluntary and Mandatory advisory format to help control solid fuel emission between November 1 and March 1. The Action Forecast is based on Utah Administrative Code: R307-302: Solid Fuel Burning Devices in Box Elder, Cache, Davis, Salt Lake, Tooele, Utah, and Weber Counties. This system is also used to advise industry operations and vehicle drivers.

Action Legend

Unrestricted Action
Solid fuel burning devices may be used, including wood and coal burning stove and fireplaces, but visible emissions must meet air quality regulations (see R307-302-5).
Voluntary Action
Individuals are asked to voluntarily not use solid fuel burning devices, including wood and coal burning stove and fireplaces; reduce/stop open burning, and TravelWise by consolidating trips. Industry should optimize operations to minimize air pollution emissions.
Mandatory Action
Solid fuel burning devices must not be used, including wood and coal burning stove and fireplaces. Open burning may not occur; including fire pits, fire rings, and campfires. TravelWise by consolidating trips. Industry should optimize operations to minimize air pollution emissions.

The Health Forecast uses EPA's Air Quality Index (AQI)

Health Legend

Good
Air quality is considered satisfactory, and air pollution poses little or no risk.
Moderate
Highly-sensitive people should consider reducing prolonged or heavy outdoor exertion.
Unhealthy for Sensitive Groups
The following groups should reduce prolonged or heavy outdoor exertion:
  • People with lung disease, such as asthma
  • Children and older adults
  • People who are active outdoors
Unhealthy
The following groups should reduce prolonged or heavy outdoor exertion:
  • People with lung disease, such as asthma
  • Children and older adults
  • People who are active outdoors
Everyone else should limit prolonged outdoor exertion.
Very Unhealthy
The following groups should reduce prolonged or heavy outdoor exertion:
  • People with lung disease, such as asthma
  • Children and older adults
  • People who are active outdoors
Everyone else should limit outdoor exertion.
Hazardous
This would trigger health warnings of emergency conditions. The entire population will most likely be affected.