Air Quality
Good
Water Violations
56
Active Permits
9
Air quality in Grand County is rated good with a median AQI of 45 (161 days measured in 2024). 3 community water systems serve the area, with 56 recent violations in the last 5 years.
Air Quality — Grand County (2024)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
161Drinking 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
3Active Systemsi
12Recent Violationsi
56Recent Violations (Last 5 Years)