Air Quality

It happens every year in Boise and the Treasure Valley: Meteorologists and the National Weather Service Boise say an inversion is setting in and will be sticking around for at least a few days and everyone groans … but what exactly is an inversion?

Treasure Valley residents woke up Tuesday to one of the smokiest days in recent years. Much of the haze is coming from a pair of wildfires in Eastern Oregon.

With wildfire season ramping up in the West, smoke has contributed to more polluted air across the Treasure Valley.

Salt Lake City suffers from the same type of nasty inversions that Idaho's Treasure Valley does.

A new program will monitor the air quality in underserved latino communities in Canyon County. El Aire que Respiramos, or The Air We Breathe, is an EPA-funded project monitoring air pollution in 12 latino communities across the U.S., including in Caldwell, Idaho.

When wildfire smoke or smog settles into a community, the public health advice is to go inside. But is indoor air quality any better?

A new program targets people who are at higher risk of health complications from wildfire smoke.

The tiny, toxic particles in smoke can enter our homes through cracks, doorways, and HVAC systems. From HEPA filters to "clean rooms," here's how to stay safe when you're inside.

The American Lung Association’s new State of the Air report includes a number of Western cities among those most impacted by ozone, short-term and year-round particle pollution. They include Salt Lake City, Boise, Albuquerque and a number of front range cities in Colorado.

A new analysis of air pollution across the country reveals a wide range throughout the Mountain West.