Environment
Alexander Valley Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Alexander Valley Elementary in Healdsburg, California.
Latest Air Quality Index
19
Good · monitor 28.1 km away
PM2.5 annual3.4 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
19
AQI latest — Good
19
AQI 7-day avg
1
Days unhealthy in last 90
3.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
35.9
Ozone annual ppb
11.6
NO₂ annual ppb
Public Water System
HEALDSBURG, CITY OF · PWS CA4910005
0
Health-based violations (10yr)
0
Acute violations (10yr)
10,985
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
1
TRI sites within 5 miles
25.1 mi
Nearest Superfund (NPL)
SULPHUR BANK MERCURY MINE
7.9 mi
Nearest brownfield
JEWESS MINE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).