Air Pollution

Air pollution can be two to five times worse indoors compared to outside, and it’s especially concerning for children, who tend to breathe in more air than adults in relation to their body weight.

The Biden administration is unveiling new, stricter pollution standards for American cities such as Salt Lake City, Utah, which have long struggled with chronically dirty air.

Boise was not alone; air monitoring all across the west showed dramatic pollution spikes last night, peaking around 1 am. Most locations have returned to normal conditions - in southwest Idaho this time of year, that means 'moderate' air quality according to DEQ.

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.

The Mountain West is known for big blue skies. But several cities here are among the nation’s worst for short-term air pollution levels, according to a new American Lung Association study. Wildfire smoke is an increasing factor, but so is smog from growing cities across the region.

Two Western cities registered the poorest air quality in the world over the last week as smoke from wildfires in northern California turned the skies over the Rocky Mountains into a chalky white abyss.

A new study has found that long-term air pollution increases COVID-19 mortality rates. The Harvard University researchers behind the study, which used…

About one-third of Americans live in areas that regularly have unhealthy levels of air pollution, according to a new analysis out this week from...

Emissions from Boise metro area traffic have gone up almost 146% over the last two decades, according to a New York Times analysis published Wednesday…