Monitoring shows good air quality in Garfield County

Garfield County’s ambient air monitoring program found that most volatile organic compounds are declining in the area and no national ambient air quality standards (NAAQS) violations for ozone or particulate matter were reported in 2020. In 2020, Garfield County experienced 335 days of good air quality over a 24-hour period for particulate matter (PM) of 2.5 microns (PM2.5), with 26 moderate days, and just four days considered unhealthy for sensitive groups, according to a report prepared by Air Resource Specialists. The county also measured 258 days of good air quality for eight-hour ozone, with 103 in the moderate category and