Sulfur dioxide (SO2) chart card
Produced by volcanoes and industrial processes, particularly the burning of coal and oil. Results displayed by combining the latest and aggregated values and optional simplified chart.
Sulfur dioxide (SO₂) chart card
Displays sulfur dioxide concentration as a time-series chart with the latest value, delta percentage, and absolute delta.
Default Data Keys
- Sulfur dioxide (function) — SO₂ concentration time-series, µg/m³
- Latest (function) — current SO₂ value, µg/m³
- Delta percent (function) — change from previous period, %
- Delta absolute (function) — absolute change, µg/m³
Value Ranges
| Range (µg/m³) | Level | Color |
|---|---|---|
| 0–100 | Good | Green |
| 100–200 | Moderate | Light Green |
| 200–350 | Elevated | Orange |
| 350–500 | High | Dark Orange |
| 500+ | Hazardous | Red |
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