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Radon Levels in Radford city, Virginia

EPA puts Radford city in Zone 1, its highest radon zone, and high results are common there: 41.8% of the 98 radon tests reported to CDC (2008 to 2017, laboratory totals) came back at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.

Data checked By Radon411Methodology

How to test this homeFind a certified tester

  • Share at 4+ pCi/L

    41.8%

    11.4 pts above VA

    Radford city
    41.8%
    Virginia
    30.4%

    98 tests, 2008 to 2017

  • Median result

    3.2pCi/L

    Below action level

    Radford city
    3.2 pCi/L
    EPA
    4.0 pCi/L

    Midpoint of the tests, 2008 to 2017

  • Tests reported

    98

    60th of 84 by tests

    Radford city
    98
    Fairfax
    8,657

    Reported to CDC before any fix, 2008 to 2017

  • EPA radon zone

    Zone 1

    Highest potential

    1. Zone 1
    2. 2
    3. 3

    1 highest, 3 lowest

    EPA predicts over 4 pCi/L indoors

  • Rank in Virginia

    24 of 84

    Middle half

    Radford city
    41.8%
    Russell
    67.3%

    By share, of 84 with 30+ tests

Read a result for Radford city

Starts at Radford city's median, 3.2 pCi/L

3.2pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 3.2 pCi/L

Between 2 and 4 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Radford city's median reported result, 2008 to 2017.

Interpret this readingWhat a fix costs

The data

Radford city, At a glance

Radford city at a glance

Predicted: EPA radon zone

EPA Zone 1: highest predicted potential

EPA puts all of Radford city in and predicts an average indoor of greater than 4 pCi/L (greater than 150 Bq/m³) across the county. That is one forecast for the whole county, not a reading of any address in it; homes above EPA's turn up in all three zones.

USGS geologic potential: High across 100% of the county's area

Predicted: EPA Map of Radon Zones

Measured: tests reported to CDC

Radon tests reported for Radford city, 2008 to 2017, laboratory

Reported results by concentration band, Radford city, 2008 to 2017, laboratory
Under 2 pCi/L: 28%2 to 4 pCi/L: 30%4 pCi/L and above: 42%

Of 98 pre-mitigation tests reported to CDC, not homes in this area.

Reported results by concentration band, Radford city, 2008 to 2017, laboratory: data table
Result bandTests MeasuredShare Measured
Under 2 pCi/L2828.6%
2 to 4 pCi/L2929.6%
4 pCi/L and above4141.8%
What these figures count

These are the 98 tests reported to CDC for Radford city over 2008 to 2017 (laboratory totals), many from homes being sold or already suspected of a problem: they describe the county's reported tests, not this house.

Measured: CDC tracking data. Figure above: 2008 to 2017, laboratory. Measured data period: 2005 to 2017 (every CDC figure on file).

How to read these figures

Radford city, Compared

Radford city radon figures, compared

Calculated by Radon411

In Radford city, about 4 in 10 reported tests over the 2008 to 2017 laboratory totals (41 of 98) were at or above EPA's action level. Against the national pool of 35.7%, the gap is 6.1 points higher. Across 131 Virginia counties pooled together, 30.4% of tests reached that level, so Radford city runs 11.4 points above its state.

Of 2 neighbours with a figure, 1 reported a larger share at or above 4 pCi/L and 1 a smaller one; the spread is 35.5% (Montgomery County) to 49.6% (Pulaski County). By share, Radford city is 24th of 84 Virginia counties with 30 or more tests for the same period.

Half the tests came in under 3.2 pCi/L and half over it; the single highest reached 31.5 pCi/L. Below the action level, 28 tests (28.6%) came in under 2 pCi/L, against 44.7% statewide, and 29 tests (29.6%) fell between 2 and 4, against 24.9% statewide.

Zone 1 on EPA's map (predicted average above 4 pCi/L) and a 41.8% share point the same way here. USGS geology rates 100% of the county's land high radon potential. CDC also counts 5 tests taken after mitigation in Radford city for the same period: tests in homes where a fix was already in.

CDC's ten-year totals for Radford city went from 86 tests (2005 to 2014) to 98 (2008 to 2017), the share going from 46.5% to 41.8%.

Radford city against Virginia, the United States and nearby counties, 2008 to 2017, laboratory
AreaTestsAt or above 4 pCi/LMedianDifference from Radford city
Radford city9841.8%3.2 pCi/LThis county
Virginia, pooled131 counties, pooled53,19930.4%Not pooled−11.4 points
United States, pooled2,661 counties, pooled2,013,54435.7%Not pooled−6.1 points
Russell Countyhighest in the state4967.3%6.7 pCi/L+25.5 points
Norfolk citylowest in the state732.7%0.5 pCi/L−39.1 points
Pulaski County, VAborders it26849.6%3.9 pCi/L+7.8 points
Montgomery County, VAborders it97035.5%2.5 pCi/L−6.3 points
Where Radford city's reported results fell, 2008 to 2017, laboratory, beside Virginia and the United States
ResultRadford city testsRadford city shareVirginia shareU.S. shareAgainst Virginia
Under 2 pCi/L2828.6%44.7%39.6%−16.1 points
2 to 4 pCi/L2929.6%24.9%24.7%+4.7 points
4 pCi/L and above4141.8%30.4%35.7%+11.4 points
Radford city ranked among the 84 Virginia counties with 30 or more tests, by share at or above 4 pCi/L, 2008 to 2017, laboratory
CountyRankTestsAt or above 4 pCi/LMedian
Frederick County19 of 842,45144.1%3.3 pCi/L
Madison County20 of 8418444.0%3.5 pCi/L
Rockingham County21 of 841,71443.9%3.3 pCi/L
Floyd County22 of 845442.6%3.3 pCi/L
Botetourt County23 of 8457542.1%3.3 pCi/L
Radford city24 of 849841.8%3.2 pCi/L
Rappahannock County25 of 8413741.6%3.3 pCi/L
Tazewell County26 of 8437240.3%2.8 pCi/L
Culpeper County27 of 8489140.1%3.2 pCi/L
Alleghany County28 of 845040.0%3.0 pCi/L
Prince Edward County28 of 845040.0%2.5 pCi/L
Radford city ten-year laboratory totals, against Virginia's pooled share
PeriodTestsAt or above 4 pCi/LMedianHighestVirginia, pooledChange from the row before
2008 to 20179841.8%3.2 pCi/L31.5 pCi/L30.4%+1.2 points
2007 to 20169640.6%3.0 pCi/L31.5 pCi/L30.6%Level
2006 to 201510140.6%2.9 pCi/L39.3 pCi/L30.7%−5.9 points
2005 to 20148646.5%3.7 pCi/L39.3 pCi/L30.3%First on file

Pooled shares: Radon411's sum of CDC's county counts for one period.

Radford city, Geology

The ground under Radford city

Predicted

USGS's geologic map puts all of Radford city's mapped land in one class: high radon potential. All of it lies in the area the map calls Valley and Ridge, to which USGS gives a radon index of 15, in the high band (12 to 17).

USGS's geologic areas under Radford city
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Valley and RidgeCambrian dolomite, limestone, shale, and sandstone, Silurian-Ordovician limestone, dolomite, shale, and sandstone, Mississippian-Devonian sandstone, shale, limestone, gypsum, and coal.High15100%

Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.

Radford city beside the ground around it

Radford city has more high-potential ground than Virginia as a whole: 100% of its land against 47.9%. Of the 2 counties that border it, none has as large a share of high-potential ground; Pulaski County comes nearest at 97.5%.

Share of land by USGS radon potential: Radford city, the 2 counties bordering it and Virginia
AreaEPA zoneLow potentialModerate potentialHigh potential
Radford cityZone 1NoneNone100%
Pulaski CountyZone 1None2.5%97.5%
Montgomery CountyZone 1None13.0%87.0%
Virginia133 counties, pooled by land areaVaries20.6%30.0%47.9%

The map rates the ground, not the air in any home.

Local help

Radford city, Local resources

Radon testing and mitigation in Radford city

What Virginia's program says
Phone
(804) 864-8161
Email
Radon@vdh.virginia.gov
Licensing of radon professionals
The Code of Virginia requires that Radon testers and mitigators be currently certified by either the National Radon Proficiency Program (NRPP) or the National Radon Safety Board (NRSB).

What it means

Radford city, Questions

Questions about radon in Radford city

Are radon levels high in Radford city?

Over the 2008 to 2017 laboratory totals, 41.8% of the radon tests reported to CDC for Radford city, Virginia were at or above 4 pCi/L, and the median reported pre-mitigation result was 3.2 pCi/L. Of 84 Virginia counties with 30 or more tests for the same period, 23 reported a higher share; pooled, the state comes to 30.4%.

Which counties border Radford city?

Radford city borders 2 counties: Pulaski County and Montgomery County.

Products

Radford city, Products

Testing a home in Radford city

In Radford city, 41.8% of 98 tests reported to CDC over the 2008 to 2017 laboratory totals reached 4 pCi/L, against 30.4% pooled across Virginia. In Zone 1 the year-round level in Radford city is the one to know: a long-term test (more than 90 days) or a monitor, with a short-term kit for a first answer.

Test kits and monitors3

See every kit and monitor

Radford city is in EPA Zone 1, the highest predicted radon potential. Best radon monitors for Zone 1 counties like Radford city

Explore

Radford city, Bordering counties

Counties bordering Radford city

Calculated by Radon411

Radford city, Cities and towns

Cities and towns in Radford city

Radford city is growing: the Census Bureau puts it at 17,243 residents on July 1, 2025, up 7.0% from 16,117 in 2020. Packed into its land, that is 1,782 people per square mile. Radford, its one incorporated place, has 17,243 residents, 100.0% of the total. CDC's 98 reported tests for 2008 to 2017 work out to 5.7 per 1,000 residents (2025 estimate), close to Virginia's 6.0.

Radford is the one incorporated place here; CDC publishes no figure by town, so it reads Radford city's.

Radford, Radford city: residents on July 1, 2025
PlaceResidentsSince 2020Share of residents
Radford17,243+7.0%100.0%

One incorporated place, as listed in the U.S. Census Bureau’s 2020 place reference files. Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025).

Radford city, Homes

Homes in Radford city

Radford city has 6,457 homes, and many share a building: 34% are in buildings of five or more, 51% are detached houses, against 61% across Virginia. The homes are older than Virginia's as a whole: half were built before 1976 (1984 for Virginia), and 32% date from before 1960. Most occupied homes here are rented: owners live in 43% (Virginia: 67%). A tenant can run a test; a fix is the landlord's to make.

Homes in Radford city, Virginia, 2019 to 2023
HomesRadford cityVirginia
Housing units6,4573,654,784
Detached houses51%61%
In buildings of 5 or more34%19%
Mobile homes2%4%
Built before 196032%19%
Built since 200015%25%
Middle year built19761984
Owner-occupied43%67%

Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.