Smoke from Canadian wildfires has impacted the air quality throughout United States, including in the northern High Plains, Midwest, Great Lakes, southern Mid-Atlantic and into the Northeast. This has ...

We're used to hearing intercom messages in big box stores like Target and Costco as well as grocery stores. One thing you may not know is that there is a universal color-coded announcement system to ...

Air quality worsened to code red Thursday in the Washington, D.C., area because of smoke from Canadian wildfires, posing a health risk to anyone who spends time outside. It comes less than three weeks ...