Idaho Smoke Map

Idaho Smoke Map Legend

**(Preliminary Data Warning: Data found on the map shown below is preliminary and is subject to change. Data is in local standard time format - no adjustment for daylight savings time. The map is not able to display the temporary monitors. Check the AIR QUALITY NOW tab below for links for these monitors.

Tuesday, July 22, 2014

07/22/14 Idaho DEQ Smoke Forecast

Updated 0900 MDT Tuesday, July 22, 2014

Valid through Noon MDT Thursday, July 24, 2014

Smoke Outlook

Most of Idaho has maintained Good levels of air quality except for north Idaho, which is currently experiencing Moderate conditions this morning due to the fires burning in Washington.  Even with periods of Moderate, the 24hr AQI was in the Good category except for Boise for all DEQ sites.

The upper level low off the coast of Washington will funnel a jet max through most of Idaho, providing plenty of shear and energy for thunderstorms this afternoon.  Eastern Idaho will only see isolated storms as this flow pattern is tracking more north than northeast.  Coupled with monsoon moisture, precipitation amounts of 0.5” are likely from these storms.  Strong surface winds of around 40 mph are also forecast with these thunderstorms.  A Red Flag Warning has been issued across southwest Idaho for this lightning.

Similar unsettled weather can be expected on Wednesday with a shift Wednesday night.  A strong cold front will pass bringing gusty winds and cool temperatures.  By Thursday this upper level low will have moved east of the Rockies, leaving Idaho in a position of westerly winds which will bring more smoke from Oregon and Washington fires into the state.

Smoke impacts today will be primarily contained to northern Idaho, although intrusions into eastern and southeastern Idaho and then the Snake River Plain via fires in Utah are possible this evening.  Overall, light impacts are expected across the state as this smoke is transported aloft.  Expect similar impacts tomorrow and likely slightly more haze and high smoke by Thursday.

View DEQ near-real time monitoring at:

Smoke forecasts are dependent on predicted fire growth and weather.  If conditions change unexpectedly, impacts could occur.  When visibility starts to go below 5 miles, sensitive groups should minimize outdoor activities.  Everyone else should minimize prolonged or physical activity outdoors.  Refer to the Smoke and Health Tab on the Idaho Smoke Information Blog for additional health information. 

Your eyes are your best tools to determine if it’s safe to be outside.  Even if you smell smoke, the air quality may still be good. 

AQI Category
Visibility (miles)
Unhealthy for Sensitive Groups
1½  -2¾
Very Unhealthy
Less than 1

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