Mini case study: Air Quality in the Gym

How and Why to Improve Air Quality in the Gym

What truly defines a premium workout experience? A high-end gym setup? Advanced fitness equipment? Exclusive design certainly plays a role, much like branded sportswear. But what about a factor we rarely see, yet always feel – air quality in the gym?

Earlier this year, Marquis Intelligence was invited to assess air quality in a luxury private home gym located in one of Belgrade’s finest residential villas. The private gym we are discussing surpasses the standards of many high-level professional fitness centers, both in terms of surface area and equipment quality.

Even though the gym was equipped with a ventilation system, the user reported discomfort during exercise, including a sensation of heaviness in the air. Measurements were made to find the cause that Marquis Intelligence’s team of experts expected to be causing the problem. The results confirmed the suspicions.

The Challenge

Even with the existence of the ventilation system, the air quality in the gym was unsatisfactory.

• Body heat, smells, microbes, and moisture that accumulate quickly in the atmosphere.
• Aerosols and particles are released into the air during intense exercise, including skin and hair particles.
• Volatile Organic Compounds (VOCs) released into the air from rubber flooring, leather surfaces, textiles, and cleaning agents.

This is not an isolated case. Almost every gym faces similar, and often more serious, air quality challenges in the gym environment. Problems are usually more pronounced in gyms with more users, smaller space per user, lower height of the space and poorer ventilation.

Our real-time measurements confirmed that the air quality in the gym was not satisfactory.

• Extremely high total volatile organic compounds (TVOC) levels exceeding 3,000 ppb were determined (classified as severely polluted).
• Elevated particle counts, including ultra-fine particles (<0.3 µm), were high.
• A noticeable sensory load, consistent with user complaints.

The Solution

To address these challenges, while carefully considering the limitations and specifications of the existing ventilation system, the Marquis technical team selected and implemented a custom bipolar ionization system. It was designed with careful consideration of the limitations and specifications of the existing ventilation system, using the Marquis Intelligence 4D Process Matrix.

An air purification system based on bipolar ionization of air on the pressure of recuperator units was designed and installed. This system simultaneously reduces the concentration of pollutants from the air that are released inside the gym itself.

At the same time, ions provide immediate neutralization of charged particles, odors, and bioaerosols. Ionization reduces the concentration of pollutants in occupied zones and helps maintain a cleaner, healthier environment throughout the workout. At the same time, it provides easier breathing.

The configuration featured a single regulation loop, calibrated specifically for this environment, ensuring optimal ion distribution in the active training zone.

Within minutes of operation, users began to notice a difference. One of the employers remarked:

“You may not come here often, but I walk through this place every night. And yes – it’s much easier to breathe now.”

That is the reason why our clients always come back to us asking for more.

>> SEE ALSO: Mini Case Study: Hotel Hilton Belgrade

The Results

Independent before-and-after measurements confirmed the effectiveness:

• TVOC levels dropped by more than 60% within the first 40 minutes,
• The downward trend continued in the following hours, confirming the lasting effectiveness of the solution.
• Formaldehyde was reduced by nearly 7%, even though initial levels were already low,
• No increase in ozone levels (remained ≤ 0.01 ppm).
• Ion concentration doubled, reaching over 1,000 ions/cm³ in the breathing zone.

These are not just technical improvements; they represent tangible benefits for health, well-being, and performance.

Ionization in Sports: A Long-Standing Secret

The positive effects of negative air ions on athletic performance have been studied for decades. As early as the 1960s, Soviet scientists applied ionization during the training of elite athletes – gymnasts, boxers, swimmers, and track & field competitors.

Studies reported improvements in:

• endurance of up to 900%,
• enhanced coordination by 300%, and
• faster reaction times by 100% compared to control groups

(source: “Secret Russian Sports Weapon Disclosed”, Special Olympic Report, 1960s).

More recently, controlled studies in elite sports settings have shown that ionized environments contribute to improvements.

• Improved oxygen uptake kinetics during intense physical activity. (Source: Nimmerichter et al., 2013).
• Accelerated post-exercise recovery, especially following high-intensity workouts. (Source: Ryushi et al., 1998).
• Reduced respiratory load and PM exposure during indoor training. (Source: Zhang et al., 2022).

Canadian documentation further confirms the practical application of bipolar ionizations in Olympic and professional sports facilities. (Sources: “Ionizing Air Cleaner Makes Sports Inroads”, “Sports Facilities Provide Sizzle for a Company Selling Air”).

With no known side effects and measurable gains in comfort, breathing ease, and physiological recovery, ionized air is increasingly viewed as a vital environmental factor in both elite and everyday fitness settings.

Key Takeaways

The most crucial key takeaway is the best user experience

• Even high-quality air ventilation systems may need additional air purification.
• Air quality in the gym environments has a direct impact on how we feel during physical exertion as well as what the results of that exercise will be.
• Bipolar air ionization quietly and efficiently improves the quality of treated air.
• The improvement is both measurable and noticeable, in minutes.

True well-being begins with what we often take for granted: the air we breathe.

Looking to enhance the air quality in the gym or wellness space? Maybe home?

>> SEE ALSO: 8 Benefits of Heat Recovery Ventilation (HRV) for Your Home
>> SEE ALSO: The Importance of Indoor Air Quality in our Homes

This mini case study clearly shows how modern air purification technology can improve the experience of staying not only in homes, offices and hotels, but also in spaces like gyms, spas and exercise rooms.

Discover how Marquis Intelligence can help you breathe better, train harder, and recover faster – safely and effectively.

This article is part of the Marquis Intelligence “Mini Case Studies” archive.
Document ID: MI-MCS-02.2Q-25.