Air Quality
Good
Water Violations
1
Air quality in Davis County is rated good with a median AQI of 48 (304 days measured in 2025). 4 community water systems serve the area, with 1 recent violation in the last 5 years.
Air Quality — Davis 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
43Ozone Daysi
246Drinking 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
4Active Systemsi
3Recent Violationsi
1Recent Violations (Last 5 Years)
WEBER BASIN WCD - SOUTH
Historical Violations (Over 5 Years Ago)