Air Quality
Good
Water Violations
4
Active Permits
3
Air quality in Allen County is rated good with a median AQI of 43 (296 days measured in 2025). 4 community water systems serve the area, with 4 recent violations in the last 5 years.
Air Quality — Allen 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
149Ozone Daysi
147Drinking 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
6Recent Violationsi
4Recent Violations (Last 5 Years)
ELIDA VILLAGE
Industrial Monitoringi
Wastewater & Stormwater Permits (NPDES)i
NPDES