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Simple radon level chart card

  • Widget
  • 3 installs
  • v1.0.0
  • Jun 15, 2026
  • MIT license
  • v4.2+
Simple radon level chart card

Displays historical radon level values as a simplified chart. Optionally may display the corresponding latest radon level value.

Widget Type
  • Timeseries
Category
  • Charts & Graphs
Use Cases
  • Air Quality Monitoring
  • Environment Monitoring
  • Smart Building
  • Smart Home

Simple radon level chart card

Displays radon level as a simplified time-series chart with the latest value and color-coded ranges.

Default Data Keys

  • Radon level (function) — radon concentration time-series, Bq/m³
  • Latest (function) — current radon value, Bq/m³

Value Ranges

Range (Bq/m³)LevelColor
0–100SafeGreen
100–200ElevatedOrange
200+HighRed

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