Smoke from the Jericho Mountain Fire began to move into the Helena area yesterday evening. Another hot and dry day is expected today, which could lead to increased fire activity.

Fluorescence lidar technology enables a better determination of the origin of particles in the atmosphere. The method can ...

An air quality alert has been issued for NYC and N.J. on Wednesday, as smoke from the Canadian wildfires blows into the ...

Canadian Wildfire Smoke will continue to move away from the Twin Cities and rest of Minnesota Today although folks with ...