Take a look at the Environmental Protection Agency's AIRNow website and check out the air quality forecast map.
In the Pacific Northwest, you'll notice plenty of green (good) but a big circle of yellow hovering over Boise. Simply put, there is another air-quality alert for the Treasure Valley today. According to the Idaho Department of Environmental Quality, today's air-quality index for the Treasure Valley is 75: 50-99 is moderate but unhealthy.
All outdoor burning is banned in Ada and Canyon counties.