Environmental Protection Agency

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

The Environmental Protection Agency has issued a final determination to downgrade air quality in the Denver Metro and Northern Front Range area to “severe” non-attainment for ground level ozone. The effects of poor air quality on cardio-respiratory health are well documented, but recent studies show bad air may also affect the gut microbiome in people as young as infants.

KDNK’s news team brings you local and regional news from the Mountain West

The Trump administration is replacing Obama-era fuel economy standards with weaker ones that will allow for more air pollution. Groups are already lining up to challenge the new rule.

The Environmental Protection Agency released an action plan Thursday regarding potentially toxic chemicals known as PFAS. The chemicals have been...