AZ
Arizona
Comprehensive climate risk and disaster history profile
17
Billion-Dollar Events
$16.8B
Total Economic Impact
15
Counties
76.84
Avg Risk Score
Top Natural Hazards
Based on FEMA National Risk Index data across all 15 counties
Wildfire
90.59
Avg Risk Score
ERQK
82.45
Avg Risk Score
Drought
79.46
Avg Risk Score
LNDS
77.69
Avg Risk Score
Flooding
76.4
Avg Risk Score
Lightning
74.02
Avg Risk Score
Disaster Type Breakdown
Historical billion-dollar events by category (1980-2024)
Drought
9 events
$9.7B
Wildfire
5 events
$2.6B
Flooding
2 events
$0.6B
Severe Storm
1 events
$3.8B
Disaster Trends by Decade
How disaster frequency and costs have changed over time
Highest Risk Counties
Counties with the highest overall risk scores based on FEMA NRI
| Rank | County | Risk Score | Risk Rating | SVI Percentile |
|---|---|---|---|---|
| 1 | Maricopa | 97.33 | 7397.0% | |
| 2 | Pima | 94.97 | 9118.0% | |
| 3 | Pinal | 93.13 | 8377.0% | |
| 4 | Yuma | 91.66 | 9936.0% | |
| 5 | Coconino | 90.23 | 8259.0% | |
| 6 | Yavapai | 88.83 | 6187.0% | |
| 7 | Mohave | 88.42 | 8695.0% | |
| 8 | Cochise | 85.87 | 9243.0% | |
| 9 | Gila | 85.27 | 8205.0% | |
| 10 | Navajo | 80.94 | 9901.0% |
Recent Major Events
Most costly billion-dollar disasters in the past 10 years
Drought
Jan 2022
$3.5B
22 fatalities
Wildfire
Jun 2021
$1.5B
1 fatalities
Drought
Jun 2018
$0.4B
Drought
Jan 2015
$0.5B
Drought
Mar 2013
$0.5B
2 fatalities
Drought
Jan 2012
$1.5B
6 fatalities
Wildfire
Jun 2011
$0.6B
1 fatalities
Drought
Mar 2011
$2.0B
15 fatalities
Severe Storm
Oct 2010
$3.8B
Drought
Jan 2009
$0.7B
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