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Air Quality Alert


Air Quality Alert
Relayed by National Weather Service Great Falls MT
229 PM MDT Sat Aug 18 2018


The Montana Department of Environmental Quality has issued an air
quality alert for Blaine, Daniels, Flathead, Glacier, Hill, Liberty,
Lincoln, Phillips, Pondera, Roosevelt, Sheridan, Toole, and Valley
counties in effect until conditions improve.  The air quality alert
is due to smoke from wildfires in northwest Montana, Idaho,
Washington, and British Columbia. A disturbance moving through
Friday evening should improve conditions east of the Divide by
Saturday morning.  This alert will be updated again at 8 AM on

An Air Quality Alert means that particulates have been trending
upwards and that an exceedence of the 24 hour National Ambient Air
Quality Standard (NAAQS) has occurred or may occur in the near

Particulate levels are ranging between Unhealthy and Unhealthy for
Sensitive Groups across northern Montana.

When air quality is Unhealthy... State and local health officials
recommend that people with respiratory or heart disease, the elderly,
and children should avoid prolonged exertion; everyone else should
limit prolonged exertion.

When air quality is Unhealthy for Sensitive Groups... State and local
health officials recommend that people with respiratory or heart
disease, the elderly and children should limit prolonged exertion.

For more information visit the Montana Department of Environmental
Quality at

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