Active AlertsFeltham, ID

What: For the Air Stagnation Advisory, 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 AM MST /4 AM PST/ Monday. For the Dense Fog Advisory, from 11 PM MST /10 PM PST/ this evening to noon MST /11 AM PST/ Wednesday.
Impacts: Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.

Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.