Honolulu, HI 96801
Environmental Risk Assessment • Population: 350,964
Risk Factor Breakdown
Air Quality
Air quality is satisfactory and poses little or no risk.
Water Quality
Flood Risk
This area faces significant flood risk. Flood insurance is strongly recommended. Have an evacuation plan ready.
Toxic Sites
Very few hazardous waste sites in this area. This is a positive indicator for local environmental health.
Environmental Profile: Honolulu, Hawaii
Honolulu, Hawaii has good air quality with an AQI of 32. Water quality scores 81/100 with 81 health-based violations recorded. The area has 0 toxic release inventory sites. Flood risk is very high based on FEMA disaster history.
What This Means For You
Honolulu has received an overall environmental risk score of 38/100 (Good). This means that the area has some environmental concerns that residents should be aware of, but overall conditions are manageable.
The air quality in Honolulu is rated Good with an AQI of 32, primarily driven by PM2.5 pollution. Water quality scores 81 out of 100, with 81 reported violations and detected contaminants including Disinfection Byproducts, Nitrate.
Flood risk is classified as Very High (AE - Coastal High-Risk Flood Zone), and there are 0 Superfund sites and 0 Toxics Release Inventory facilities in the area.
How to Protect Yourself in Honolulu
- ✓Air quality is generally acceptable, but monitor AirNow.gov during seasonal events like wildfires or heat waves.
- ✓Water quality meets standards, but routine testing is still recommended for peace of mind.
- ✓Purchase flood insurance even if not required — standard homeowner insurance does not cover floods.
- ✓Create an emergency evacuation plan with designated meeting points and essential documents in a go-bag.
- ✓Check your specific property flood zone at msc.fema.gov — Honolulu is in AE - Coastal High-Risk Flood Zone.
Disclaimer: Environmental risk data is compiled from public U.S. government sources (EPA, FEMA) for informational purposes only. Risk scores are estimates and should not replace professional environmental assessments, real estate evaluations, or health consultations. Always consult local authorities and certified professionals for site-specific evaluations. For environmental emergencies, call 911 or the EPA National Response Center at 1-800-424-8802. See our Terms of Service for more details.