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Bull Run CDP, VA

ZIP 20121 — Climate & Environment

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 20121

Disaster Risk (FEMA NRI)

County-linked natural hazard risk from FEMA National Risk Index — useful for comparing insurance and disaster exposure.

FEMA’s National Risk Index rates natural-hazard risk for Bull Run CDP, VA as Very Low (composite score 5.3), which is relatively lower than many U.S. communities. The strongest component scores on US5 are hurricane (62.2) and flood (13.5). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Overall rating
Very Low
Risk index
5.3
Flood risk
13.5
Wildfire risk
1.0
Hurricane risk
62.2
Earthquake risk
47.8
Tornado risk
20.1
Winter weather risk
27.1
Hail risk
17.5
Air Quality (EPA AQI)

County-level annual air quality from EPA. Good days = healthy to breathe; unhealthy = sensitive groups or worse.

44
Median AQI
74.8%
Good Days

Air quality healthy to breathe

0.4%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 20121

Climate normals for Bull Run CDP, VA show little to no average snow. Pair that with FEMA NRI hazard context (overall rating Very Low) when evaluating long-term housing and insurance exposure.

7-day weather forecast

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Sunrise, sunset & moon

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Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
7a
Annual Snow Days
0
Annual Precipitation
0 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone7a
Annual precip (in)0
Snow days0
Broadband access98.8%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index5.3
Flood risk (NRI)13.5
Wildfire risk (NRI)1.0
Hurricane risk (NRI)62.2
IRS net migration1552
Median AQI44
Good AQI days74.8%