SHG

IAQ Monitor

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Fetching sensor data…

CO₂ Thresholds (ASHRAE 62.1) < 800 ppm — Good 800–1100 ppm — Elevated > 1100 ppm — High PM2.5 Thresholds (EPA AQI, 24-hr) < 12 µg/m³ — Good 12–35.4 µg/m³ — Elevated > 35.4 µg/m³ — High VOC Index (Sensirion, relative to 24-hr baseline — not an absolute standard) < 150 — Good 150–250 — Elevated > 250 — High