The health department recommends all others should reduce heavy or prolonged outdoor exertion. This article originally appeared on Fort Collins Coloradoan: Fire and smoke forecast in Fort Collins ...

Philip Morris International exceeded earnings expectations for Q4, propelled by its expanding smoke-free product lineup.

Another Dense Fog Advisory is in effect until 10 AM Friday morning. However, a couple of marsh fires that popped up on Thursday morning could worsen conditions if the smoke mixes with the fog, forming ...

Flying Through Wildfire Smoke Plumes Could Improve Smoke Forecasts Nov. 2, 2020 — The biggest study yet of West Coast wildfire plumes shows how a smoke plume's chemistry changes over time.