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Indoor climate assessment in dashboard: AG Scale

Kristoffer Jensen

Understand how we help you assess the indoor climate using an AG scale in the SKYEN dashboard.

To provide a quick overview of the quality of the indoor climate, SKYEN has an overall rating on a scale from A (very good) to G (very bad) . This rating is calculated based on six key indoor climate parameters, each with its own scale:

How is the indoor climate assessed?

Each of the following parameters is assessed individually on an AG scale:

  • CO₂ concentration (ppm) – indication of air quality and ventilation

  • Temperature (°C) – assessment of thermal comfort

  • Relative humidity (%) – balanced humidity for a healthy indoor climate

  • Sound level (dB) – noise impact in the room

  • Light level (lux) – sufficient light for work tasks

  • Total Volatile Organic Compounds (TVOC) (ppb) – airborne chemicals from materials, furniture and products

Each parameter is assigned a score between A and G based on established limit values. For example, means CO₂ ≤ 800 ppm one A rating , while CO₂ > 1800 ppm gives a G-rating .

How is the overall rating calculated?

The overall indoor climate assessment is calculated by weighting the individual parameters:

  • CO₂ concentration (30%) – most important parameter for air quality

  • Temperature (20%) – essential for comfort and productivity

  • Relative humidity (20%) – important for health and well-being

  • Sound level (10%) – affects concentration and working environment

  • Light level (10%) – necessary for optimal visual comfort

  • TVOC (10%) – measures chemical compounds in the air

The assessment takes into account data from the last 7 days and focuses on the usage period between 8 a.m. and 4 p.m.

How is the assessment interpreted?

  • AB: Optimal indoor climate – healthy and comfortable conditions

  • CD: Acceptable indoor climate – room for improvement

  • EGGS: Poor indoor climate – recommended action

This makes it easy for SKYEN users to understand and act on indoor climate data in real time. If you want a more detailed analysis of the individual parameters, you can click on the individual measurement in the dashboard.

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