Radon in Chisago County
Elevated radon riskOver 2014-2023, 28.6% of Chisago County homes tested came back at or above the 4 pCi/L action level, below the statewide figure of 35.9%. The median test result here was 2.5 pCi/L over 2010–2020 (statewide median: 3.1 pCi/L). About 157 Chisago County properties were tested per year over that period. About 29% of homes tested in this county came back at or above the 4 pCi/L action level. That is lower than much of Minnesota, but still means testing is the only way to know your home.
| Tests at or above 2 pCi/L (2014-2023) | 59.6% (1,186 properties) |
| Tests at or above 4 pCi/L (2014-2023) | 28.6% (569 properties) |
| Median result (2010–2020) | 2.5 pCi/L |
| Average result (2010–2020) | 3.3 pCi/L |
| 95th percentile (2010–2020) | 10.2 pCi/L |
| Testing rate (2010–2020) | 71.4 per 10,000 properties per year |
Source: Minnesota Department of Health radon test data, last checked July 8, 2026. County numbers describe homes that happened to be tested, not yours; only a test can tell you your home's level.
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