Air Quality
Good
Water Violations
35
Active Contamination
4
Active Permits
14
Air quality in Gunnison County is rated good with a median AQI of 49 (242 days measured in 2025). 9 community water systems serve the area, with 35 recent violations in the last 5 years. 4 contamination sites are tracked, all with completed or ongoing remediation.
Air Quality — Gunnison County (2025)i
AQSThe Air Quality Index measures how clean or polluted the air is on a given day. AQI is reported at the county level. A score of 0-50 is considered good; 51-100 is moderate; above 100 may be unhealthy for sensitive groups.
Median AQI
PM2.5 Daysi
0Ozone Daysi
242Drinking Wateri
SDWISPublic water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Violations indicate a system failed to meet federal drinking water standards.
Community Systemsi
9Active Systemsi
12Recent Violationsi
35Recent Violations (Last 5 Years)
BUCKHORN RANCH WS
CRESTED BUTTE TOWN OF
CRESTED BUTTE SOUTH
LARKSPUR SUBD
RIVERLAND LOT OWNERS ASSOC
SADDLE RIDGE RANCH ESTATES WC
SKYLAND MD
Historical Violations (Over 5 Years Ago)
PONDEROSA PARK ASSOC
Industrial Monitoringi
Contamination Sitesi
Contaminated sites tracked by the EPA and state agencies. Superfund sites are the most seriously contaminated locations. Brownfields are former industrial properties being cleaned up for reuse. LUST sites have confirmed leaks from underground storage tanks.