A workplace can look spotless and still leave staff tired, stuffy or finding it hard to focus. Evaluating its health therefore means looking beyond cleanliness. This guide covers four areas: indoor environmental quality, ergonomics and physical safety, the legal duties that apply to UAE employers, and employee wellbeing.
Each section outlines what to look at, what the findings can point to, and when a simple self-check may no longer be enough. Offices in Dubai also have local reference values to measure against, and a structured certification route for organizations that want independent recognition. It is written for facilities managers, HR leads and business owners.
How do you assess indoor environmental quality in your workplace?
Indoor environmental quality covers the air people breathe, the temperature and humidity around them, and the light and sound in the space. In an office, these depend on the ventilation system and on the number of people sharing a room, so they are best looked at together. These conditions are central to a healthy workplace environment, as they influence comfort, concentration, and the overall working experience.
1. Air quality and ventilation
Carbon dioxide, fine particles and total volatile organic compounds (TVOCs) are the readings most often tracked in offices. Occupants produce carbon dioxide, so ventilation needs rise with the number of people in a room. Fine particles can come from outdoor dust, and TVOCs often rise after painting, new furniture or renovation. Formaldehyde can also come from particleboard, furniture and fabrics.
Poor indoor air quality is commonly linked to headaches, fatigue and trouble concentrating, so these symptoms are worth noting alongside any readings. A review of 2,435 workers across 105 office buildings found that eye strain, fatigue and eye irritation eased away from work. In a study of one UAE university office building (90 respondents, winter months), 45% reported stuffy air and 30% reported headaches while average carbon dioxide stayed around 465 ppm, which suggests symptoms can come from a combination of factors.
Office air quality is a natural starting point, since an initial walkthrough comes before any sampling.
2. Temperature and humidity
Comfort depends on air temperature, humidity, air movement and nearby heat. Comfort ranges in office standards are designed so that more than 80% of occupants find conditions thermally acceptable. Workstations placed directly under vents that blow air onto people can feel uncomfortable unless the airflow is redirected. In the UAE office study, 55% of respondents reported feeling too cold, so asking occupants where they feel uncomfortable is worthwhile.
Persistent humidity can also encourage damp surfaces and mold. Humidity is managed through HVAC operation and adjustment, including using the air conditioner to reduce humidity.
Filters need cleaning or replacing so they do not clog, and cooling coils, condensate pipes and drain pans need regular cleaning to limit microbial growth. Air-handling components are generally cleaned at least every six months, which is why routine AC cleaning forms part of an HVAC maintenance schedule.
3. Lighting and acoustics
Bright light falling directly on a screen can wash out the image and cause eye fatigue, and placing screens at right angles to windows and using blinds or glare filters reduces reflections. In the UAE office study, light levels averaged about 703 lux, above the 300–500 lux benchmark used in the study, and some occupants near west and southwest-facing windows reported glare they could not control.
Noise was the factor occupants were most dissatisfied with, linked to the open layout and limited sound insulation, and human noise such as conversation bothered people more than machinery.
4. Monitoring over time
Measurements are generally taken on an 8-hour basis. When that is impractical, the average of four half-hour readings spread across business hours, or the busiest periods, can be used, and real-time monitors need time to settle before readings are taken. HVAC systems are inspected at least every three months, and an audit is expected within six months of start-up and at least every two years afterwards.
When the cause is unclear, indoor air quality testing by a competent, qualified professional adds measurement.
Where Healthy Workplace Certification fits
Healthy Workplace Certification, delivered in the UAE as Healthy Workplace Middle East, evaluates a workplace using indoor air quality data rather than impressions alone. Carbon dioxide, PM2.5, PM10, TVOCs, temperature and humidity are monitored over a 30-day evaluation period and scored.
Organizations without monitoring equipment can use Indoorcare devices for the 30 days, and those with suitable monitors can submit their most recent 30 days of data. A Total Wellness Score of 71% or above is required for certification, which is valid for one year. Organizations that fall short receive recommendations and can retest, and certification is placed on hold when mold growth risk is too high.
Certification reflects measured environmental conditions. It does not measure individual health or productivity, and it is not proof that every aspect of a workplace is permanently risk-free, so ongoing monitoring and maintenance still matter. Within this guide, it covers the indoor environment, while ergonomics, legal duties and wellbeing are reviewed separately.
Healthy Workplace Middle East is delivered locally in the UAE by IEQ Technologies, the parent company of The Healthy Home.