What EPA's radon map says about Albany County

EPA's own radon map rates Albany County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. Rank it against the rest of the country and Albany County lands in the 98th percentile for radon potential.

Where Albany County sits nationally

About 319,964 people live in Albany County, New York, spread over 522.888 square miles. Population density there runs about 612 people per square mile. Among counties sharing Albany County's EPA zone, it outranks 93% of them by population. EPA's geology-based Region 2 groups Albany County with 82 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Albany County

Where the national indoor average runs about 1.3 pCi/L, Albany County's Zone 1 rating puts its predicted county average above EPA's 4 pCi/L action level itself. EPA's guidance doesn't change because of a Zone 1 label: test the house. What changes is the reason to not put it off in Albany County specifically.

Next steps for a home in Albany County

Mitigation cost doesn't depend on Albany County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find New York's state radon program

Albany County's test kit answers today; a Airthings radon monitor keeps answering for Albany County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

More on how this number was built

The methodology guide shows exactly which EPA and Census sources feed Albany County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.