Air Quality
Good
Water Violations
25
Active Permits
9
Air quality in Douglas County is rated good with a median AQI of 49 (273 days measured in 2025). 3 community water systems serve the area, with 25 recent violations in the last 5 years.
Air Quality — Douglas 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
36Ozone Daysi
237Drinking 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
4Recent Violationsi
25Recent Violations (Last 5 Years)
Historical Violations (Over 5 Years Ago)
RAVENNA MD