NWS Cheyenne Product Service Change Notification (SCN) Page:

The NWS Cheyenne, WY office will issue Air Quality Alerts (AQA) text product for Wildfire Smoke on behalf of Wyoming Health Department, Wyoming Department of Environmental Quality, and Air Quality Division when any of the following conditions are met:

1. Level 3 Smoke - Heavy Smoke is forecast by Wyoming Department of Environmental Quality (DEQ) (Forecast Issued 10:30-11:30 AM Monday-Friday, June through September), or 
2. Equipment Monitors reach 25 ug/m^3 hourly concentrations for PM2.5 (Anytime), or
3. Localized on-the-ground smoke is observed (Anytime)

The NWS Cheyenne text product will be sent under the AQACYS identifier. The proposal for the AQACYS text product will only be for Wyoming Forecast Zones and not include any zone for the Nebraska Panhandle. The valid forecast zones within Southeast Wyoming include WY-101 through WY-119. See image below NWS Cheyenne zone coverage map:

Valid Southeast Wyoming NWS Cheyenne Forecast Zones for Wildfire Smoke 

Example product text for the Air Quality Alert due to Wildfire Smoke will be similar to:

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...AIR QUALITY ALERT FOR WILDFIRE SMOKE FROM 900 AM THURSDAY UNTIL 1200 AM
FRIDAY...

The following message is transmitted on behalf of the Wyoming Department of
Environmental Quality, Air Quality Division and the Wyoming Department of Health.

WHAT...Air Quality Alert for Wildfire Smoke

WHERE...Snowy Mountain Range, Laramie Valley, and Laramie Mountains

WHEN...900 AM Thursday August 6 to 1200 AM Friday August 7

IMPACTS...Dense smoke from the Corner Mountain Mountain Fire has been observed across portions
of southeast Wyoming, specifically the eastern slopes of the Snowy Mountain Range, the Laramie Valley,
and the western slopes of the Laramie Mountain Range. 

HEALTH INFORMATION...The Wyoming Department of Health recommends the elderly, young
children, and individuals with respiratory problems avoid excessive physical exertion and
minimize outdoor activities during this time. Wildfire smoke is made up of a variety of pollutants,
including particulate matter and ozone, which can cause respiratory health effects. Although
these people are most susceptible to health impacts, the Department of Health also advises that
everyone should avoid prolonged exposure to poor air quality conditions.

CURRENT CONDITIONS...The Wyoming Department of Environmental Quality, Air Quality
Division offers near real-time air quality data from Wyoming's monitoring stations and provides health
effects information to help the public interpret current conditions. Current air quality conditions
across the state of Wyoming can be found at http://www.wyvisnet.com/

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Example Product Format when issued internally (text is same as above):