The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

North Omaha activists say these Purple Air Monitors provide easy access to PM2.5 pollution levels. And the whole idea is to provide residents a way to check those levels before they head out.

The monitors assess the air, and they will give scaled readings on whether the air is safe or not within the vicinity of the device. Zero to 100 is safe in the green, while 300 and above in purple ...

Using the Air Quality Index (AQI) the purple air monitors display information by both number and color. Green indicates 0-50 AQI, meaning air quality is good. Yellow, which is 51-100 AQI, is moderate.

While the Purple Air monitors can be purchased for as little as $250 each, the much more capable government monitors—which cost at least $20,000, ...

Translating data into action is what environmental justice coalitions are doing here in the Bluff City. One local ...

Cindy Robertson founded the group, which tests the air with equipment she says was funded by the EPA. “While EPA bought purple air monitors for a lot of folks in this state, it’s not one of the things ...

A portable air monitoring station is possibly coming to the Town of Claresholm. During the June 23 regular meeting, Cynthia ...

Several WNC counties are under severe air quality alerts for Thursday, March 27, with one being issued a Code Purple. Local Sports High School Huddle Scene Advertise Obituaries eNewspaper Legals LOCAL ...