19%tests ≥ 4 pCi/L
934tests on record
1.6median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Miami-Dade County

ResultShareEPA guidance
Below 2 pCi/L58%Below EPA's levels
2 to 4 pCi/L23%Consider fixing
4 pCi/L or more19%EPA recommends fixing

What the data shows

Where Miami-Dade County sits among Florida's 62 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017
0%20%40%60%80%100%

How Miami-Dade County compares

Miami-Dade County ranks 3 of 4 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Collier County26%Monroe County20%Miami-Dade County19%Broward County7%Florida 23%
Data table
AreaTests ≥ 4 pCi/LTests
Collier County26%20,308
Monroe County20%15
Miami-Dade County19%934
Broward County7%656
Florida (62 counties)23%53,794

Same source as Miami-Dade County.

What it means for your home

About 1 in 5 results in Miami-Dade County were at or above 4 pCi/L, where the EPA recommends a fix. Only a test shows your own home's level.

Levels in pCi/L from the EPA. The WHO reference level is 100 Bq/m³, about 2.7 pCi/L.

Test your home

Start with a short-term test (2–90 days) and confirm a result of 4 pCi/L or more with a second test. EPA guide

Sponsored: we earn a commission on purchases through these links. We haven't tested Airthings monitors yet.

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Fixing high radon

No local job records yet. National range: $800–$2,500, average $1,200 (EPA, 2003). Cost guide →

About this data

Source: Radon test results from laboratories (CDC Environmental Public Health Tracking Network). Period: 2008–2017. Tests: 934. Read the methodology →

These are voluntary and real-estate tests, not a random sample of homes, so they describe tested homes rather than every home.

About this page

Published by Ray Roman, editor of Radon by County. Figures are loaded from the cited source and spot-checked against it. Editorial policy · About us