As smoke from Canadian wildfires has made its way into the U.S., it is important to understand how the air quality index works. Here's what each color code means.

The Environmental Protection Agency's air quality color codes were so controversial, a special meeting in 1998 was held in Baltimore to sort them out.

The Environmental Protection Agency's air quality color codes were so controversial, a special meeting in 1998 was held in Baltimore to sort them out.

A maroon version of the state flower that's sprouted in the shadow of the University of Texas Tower in Austin has some wondering if it's the work of Aggie pranksters.

The federal Environmental Protection Agency has noted their color-coded scale for the Air Quality Index, from Code Green (Good) to Code Maroon (Hazardous).

The federal Environmental Protection Agency has noted their color-coded scale for the Air Quality Index, from Code Green (Good) to Code Maroon (Hazardous).

Government teachers in Madhya Pradesh will have to follow a uniform dress code — maroon jacket for women and navy blue for men — from the next academic session, according to an order of the ...

The Texas A&M website posted a Code Maroon alert regarding a threat directed at Kyle Field on Oct. 13, 2022.