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Compare · UT · UT

ZIP 84111 vs ZIP 84109

Salt Lake City (Downtown), UT compared to Salt Lake City (Sugar House), UT on twelve public-records dimensions sourced from EPA, FEMA, USDA, FBI, NCES, and county records. Each cell links to the per-ZIP topic page where the source citation and refresh cadence live.

Last verified 2026-09-24 · methodology

ZIP 84111

Salt Lake City (Downtown), UT

Utah

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ZIP 84109

Salt Lake City (Sugar House), UT

Utah

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Verdict

On the 3 of 12 dimensions that carry measured values today, both sit in EPA Radon Zone 2; 2025 median air quality is Moderate in both (AQI 57 vs 57); neither water system reports a health-based violation in 3 years. zipradar names no overall winner: the other 9 dimensions are not populated yet, and these three are county-level indicators rather than address-level readings. Open either ZIP below for the source and refresh date behind each number.

Side by side

Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.

Utah context

Radon Zone 1, wildfire, water-supply scarcity

Utah is uniformly Zone 1 radon. Wildfire risk concentrates in the Wasatch + southern UT. Great Salt Lake decline + Colorado River allotment uncertainty drive water-supply pressure on Salt Lake metro EPA SDWIS systems.

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Read more on cross-ZIP comparisons

Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.

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