Air Stagnation Advisory issued December 3 at 6:38PM MST until December 7 at 5:00PM MST by NWS Boise ID
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Upper Treasure Valley. * WHEN...For the Dense Fog Advisory, until noon MST Wednesday. For the Air Stagnation Advisory, until 5 PM MST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 3 at 6:38PM MST until December 5 at 2:00PM MST by NWS Boise ID
* WHAT...For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Lower Treasure Valley Zones. * WHEN...For the Air Stagnation Advisory, until 5 PM MST Saturday. For the Dense Fog Advisory, until 2 PM MST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 3 at 6:38PM MST until December 4 at 12:00PM MST by NWS Boise ID
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Upper Treasure Valley. * WHEN...For the Dense Fog Advisory, until noon MST Wednesday. For the Air Stagnation Advisory, until 5 PM MST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
Air Stagnation Advisory issued December 2 at 4:53PM MST until December 6 at 9:00PM MST by NWS Boise ID
* WHAT...For the Dense Fog Advisory, visibility a quarter mile or less in dense fog is expected for the Tuesday morning. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Treasure Valley Zones. * WHEN...For the Dense Fog Advisory, until 11 AM MST Tuesday. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Low visibility could make driving conditions hazardous especially for the morning commute between Ontario, Oregon and Mountain Home.
Dense Fog Advisory issued December 2 at 4:53PM MST until December 3 at 11:00AM MST by NWS Boise ID
* WHAT...For the Dense Fog Advisory, visibility a quarter mile or less in dense fog is expected for the Tuesday morning. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Treasure Valley Zones. * WHEN...For the Dense Fog Advisory, until 11 AM MST Tuesday. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Low visibility could make driving conditions hazardous especially for the morning commute between Ontario, Oregon and Mountain Home.
Air Stagnation Advisory issued December 1 at 4:59PM MST until December 6 at 9:00PM MST by NWS Boise ID
* WHAT...For the Dense Fog Advisory, visibility one to two miles in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones. * WHEN...For the Dense Fog Advisory, until 11 AM MST Monday. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous especially along Interstate 84 from Fruitland
Dense Fog Advisory issued December 1 at 4:59PM MST until December 2 at 11:00AM MST by NWS Boise ID
* WHAT...For the Dense Fog Advisory, visibility one to two miles in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones. * WHEN...For the Dense Fog Advisory, until 11 AM MST Monday. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous especially along Interstate 84 from Fruitland
Air Stagnation Advisory issued November 30 at 1:38PM MST until December 6 at 9:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that may trap air pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho, and northeast and southeast Oregon. * WHEN...Until 9 PM MST /8 PM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Air Stagnation Advisory issued November 29 at 1:11PM MST until December 6 at 9:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 PM MST /8 PM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...The advisory continues through the long-term forecast, and may be extended if conditions continue.
Air Stagnation Advisory issued November 28 at 2:15PM MST until December 5 at 9:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that could trap pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 9 PM MST /8 PM PST/ this evening to 9 PM MST /8 PM PST/ Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...The advisory continues through the long-term forecast, and may be extended if conditions continue.