Air Quality
Good
Water Violations
34
Air quality in Hall County is rated good with a median AQI of 46 (242 days measured in 2025). 25 community water systems serve the area, with 34 recent violations in the last 5 years.
Air Quality — Hall 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
242Ozone Daysi
0Drinking 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
25Active Systemsi
4Recent Violationsi
34Recent Violations (Last 5 Years)
Historical Violations (Over 5 Years Ago)
SHOREWOOD/FOUR MILE S/D
GIBSON MOBILE HOME PARK
TRAILWOOD ACRES MOBILE HOME PK
LANIER VALLEY SUBDIVISION
TIMBERIDGE ESTATES
HALL COUNTY WATER SYSTEM