Healthy Buildings

The Ideal Indoor Air Quality Parameters for a Healthy Workplace

Learn about the ideal indoor air quality parameters for a healthy office. Find out how to maintain good IAQ for employee health, comfort, and productivity.


What are the ideal indoor air quality parameters for a healthy office?

As employees spend a significant amount of time in the office, it's crucial to maintain good indoor air quality (IAQ) for their health, comfort, and productivity. IAQ refers to the air quality within and around buildings, including the concentrations of pollutants and other factors that affect the well-being of building occupants. In this article, we'll discuss the ideal indoor air quality parameters for a healthy office and how to maintain them.

  1. Perceived Temperature and Relative Humidity

    The perceived temperature and relative humidity in an office space are essential for maintaining occupant comfort and well-being. A comfortable indoor temperature is typically between 20°C to 26°C (68°F and 78°F), while the recommended relative humidity is between 30% and 60%.

    However, the perceived temperature and relative humidity can vary depending on the occupant's clothing, activity level, and the thermal conditions of the space. Therefore, it is really important to have a solution that offers feedback functionality. This way, you make sure that the workspace is indeed comfortable for the occupants. 

  2. Air Pollutants

    Indoor air pollutants can cause significant health problems and reduce productivity in the workplace. Common air pollutants found in offices include:

    - Volatile organic compounds (VOCs),
    - Particulate matter (PM), and
    - Carbon dioxide (CO2).

    To maintain a healthy indoor environment, it's recommended to keep TVOC levels below 500 μg/m3, PM2.5 below 12 μg/m3, and CO2 levels below 1,000 ppm.

  3. Lighting and Noise

    Lighting and noise are also essential factors that can affect the productivity and well-being of office workers. Poor lighting can cause eye strain, headaches, and fatigue, while excessive noise can lead to stress, decreased productivity, and other health problems.

    The recommended lighting levels for office spaces are between 300 and 500 lux, while the recommended noise levels are below 55 decibels.

  4. Ventilation and Airflow

    Proper ventilation and airflow are crucial for maintaining good IAQ in the workplace. Effective ventilation helps remove pollutants and ensure that fresh air circulates throughout the office.

    The recommended ventilation rate for an office is between 8 and 10 liters per second per person. The airflow patterns in the space also play a crucial role in maintaining good IAQ. For example, stagnant air can cause pollutants to accumulate, while high-velocity air can create discomfort for occupants.

To learn more about the specific parameters of indoor air quality, the difference between temperature & perceived temperature, or the meaning of humidity & relative humidity, check out our knowledge base.

Or take a look at our pages for ongoing indoor air quality monitoring and one-time indoor air quality check to find out in detail how to start measuring all these parameters in your building. 

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