Air pollution contributes to a wide variety of adverse health effects. EPA has established national ambient air quality standards (NAAQS) for six of the most common air pollutants— carbon monoxide, lead, ground-level ozone, particulate matter, nitrogen dioxide, and sulfur dioxide—known as “criteria” air pollutants (or simply “criteria pollutants”). EPA Criteria Air Pollutants
More Air Quality Readings from the Colorado Department of Public Health and Environment (CDPHE):
Click here for a map of Colorado that shows AQI values for all of Colorado.
Note: The Grand Junction circle AQI is based on CO and PM values.
For another detailed air quality summary Click here.