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Nitrogen dioxide (NO2) chart card

  • Widget
  • 14 installs
  • v1.0.0
  • Jun 15, 2026
  • MIT license
  • v4.2+

A gas produced from vehicle emissions and the burning of fossil fuels. Results displayed by combining the latest and aggregated values and optional simplified chart.

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

Nitrogen dioxide (NO2) chart card

Displays nitrogen dioxide concentration as a time-series chart with the latest value, delta percentage, and absolute delta.

Default Data Keys

  • Nitrogen dioxide (function) — NO2 concentration time-series, µg/m³
  • Latest (function) — current NO2 value, µg/m³
  • Delta percent (function) — change from previous period, %
  • Delta absolute (function) — absolute change, µg/m³

Value Ranges

RangeLevelColor
0–40GoodGreen
40–90ModerateLight Green
90–120ElevatedOrange
120–230HighDark Orange
230+HazardousRed

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