Fresno, CA 93650
Environmental Risk Assessment • Population: 542,107
Risk Factor Breakdown
Air Quality
Members of sensitive groups may experience health effects. General public is less likely to be affected.
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: Fresno, California
Fresno, California has unhealthy for sensitive groups air quality with an AQI of 135. Water quality scores 40/100 with 99 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
Fresno has received an overall environmental risk score of 72/100 (Very Poor). This means that the area faces serious environmental challenges that may significantly impact health and quality of life for residents.
The air quality in Fresno is rated Unhealthy for Sensitive Groups with an AQI of 135, primarily driven by PM2.5 pollution. Water quality scores 40 out of 100, with 99 reported violations and detected contaminants including PFAS, Chromium-6.
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 Fresno
- ✓Monitor air quality daily via AirNow.gov. AQI levels in Fresno frequently reach unhealthy ranges.
- ✓Use a HEPA air purifier indoors, especially during high-pollution days.
- ✓Limit strenuous outdoor exercise when AQI exceeds 100.
- ✓Consider installing of a certified water filter. Fresno water has had 99 violations.
- ✓Have your tap water independently tested, especially for lead if your home has older plumbing.
- ✓Read the annual Consumer Confidence Report from your water utility.
- ✓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 — Fresno is in AE - Coastal High-Risk Flood Zone.
Other Cities in California
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.