Boston Disaster Risk Score & Hazard Analysis
With a population of 4,355,184 and a calculated risk score of 87.9, Boston faces unique challenges. This page is a complete hazard risk assessment for Boston, MA. For residents of Boston, life moves at its own pace. Unfortunately, nature can be unpredictable in this region. You should be particularly prepared for heat waves events.
Total Risk Score
With a calculated Risk Score of 87.863, Boston requires specific preparation. The data highlights Heat Wave as the most critical threat to mitigate.
Top Hazards for The Boston Area
For residents of Massachusetts, it is well known that local patterns show a recurring trend of heat wave activity. Moreover statistical analysis places this risk level at 96.1/100, requiring attention. For new residents, understanding the severity of heat waves in their specific zip code is vital.
Comparisons of local data to the rest of Massachusetts reveal, Boston faces a critical challenge with river flooding events. In light of this, with a calculated Risk Score of 95.9, this hazard ranks among the top concerns. Understanding the difference between a river flooding watch and warning can be a lifesaver.
Long-standing weather records for Massachusetts indicate citizens here are statistically more likely to encounter hurricanes. Crucially, an analytical review of past disasters puts the current risk tier at 95.0. Heavy rainfall events can quickly overwhelm local drainage, making situational awareness key.

The Apartment Fortress
Living in Boston? Learn how to handle water storage, sanitation, and security in a small space.
How to Prepare in Boston
Read the Full Guide βExtreme heat is a silent killer in Boston. It stresses the power grid and the human body. Your survival strategy should revolve around hydration, cooling, and backup power.
Critical Action Checklist
- 1Avoid low-lying areas during heavy rain events.
- 2Know the location of your nearest cooling center.
- 3Have a backup power source for fans or medical devices.
- 4Cover windows with reflective material to keep heat out.
- 5Monitor local weather for 'Wet Bulb' temperature warnings.
Essential Gear for Boston

Water
Sawyer Products Mini Water Filtration System
Filters up to 100,000 gallons. Essential when tap water is compromised.

Power
Jackery Explorer 300
Keep phones and laptops charged during multi-day outages.

Power
Petzl Actik Core Headlamp
600 lumens and rechargeable. Hands-free lighting is critical during power outages.
Do not wait for a Heat Wave warning to start packing. Secure your essential gear today.
View Complete Gear Checklist βCompare Nearby Cities
| City | Risk Score | Analysis |
|---|---|---|
| Worcester | 88.5 | When compared to Worcester, Boston is statistically safer. The difference of 0.6 points highlights local geological and meteorological variations. |
| Springfield | 74.0 | Springfield and Boston share similar regional risks, but our data gives Springfield the edge in overall safety. |
| New Bedford | 82.8 | New Bedford and Boston share similar regional risks, but our data gives New Bedford the edge in overall safety. |
| Cambridge | 93.8 | When compared to Cambridge, Boston is statistically safer. The difference of 5.9 points highlights local geological and meteorological variations. |
| Lowell | 93.8 | When compared to Lowell, Boston is statistically safer. The difference of 5.9 points highlights local geological and meteorological variations. |
Frequently Asked Questions
How common are Heat Waves in Boston?
With a risk score of 96.1 for Heat Wave, Boston is considered highly vulnerable. Residents should have a specific plan for Heat Wave events, which are the primary driver of the city's overall risk profile.
Is Boston safer than other cities in Massachusetts?
It varies by hazard. While Boston has its own risk profile (Total Score: 87.9), it is generally comparable to the average in Massachusetts. See our state rankings for a direct comparison.
Should I move to Boston given the risk of River Flooding?
Every city has risks. The threat of River Flooding (Score: 95.9) is manageable with proper preparation. The local infrastructure in Boston is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does Boston compare to other cities in Massachusetts?
See the full Massachusetts Disaster Rankings to see how Boston stacks up against other cities in the state.