Environment
Johnston Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Johnston Elementary in Johnston, South Carolina.
Latest Air Quality Index
46
Good · monitor 11.5 km away
PM2.5 annual7.7 µg/m³
Water health violations 10yr4
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
46
AQI latest — Good
46
AQI 7-day avg
3
Days unhealthy in last 90
7.7
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
46.9
Ozone annual ppb
Public Water System
J W YONCE 606 (SC1971004) · PWS SC1971004
4
Health-based violations (10yr)
0
Acute violations (10yr)
85
Population served
2E (health-based)
Most recent violation type
2024-10-17
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
23.6 mi
Nearest Superfund (NPL)
CLEARWATER FINISHING
0.5 mi
Nearest brownfield
WALTER FARMS BIRD SEED CO
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).