The needs of the elderly for exposure management>>>

By INDEX Editorial Team | Based on peer-reviewed research –

Older adults may spend long periods indoors, where everyday sources of indoor exposure can affect comfort and health. A practical plan starts by identifying likely sources, reducing them where possible and choosing ventilation or filtration strategies suited to the conditions.

Older adults and caregivers do not need to turn a home or care facility into a laboratory to manage environmental exposures. A useful first step is to notice what is happening: Is the environment heavily fragranced? Is there a persistent odor? Do symptoms seem worse during cleaning, after a renovation, or on smoky outdoor-air days?

These observations can help focus attention on manageable sources—without assuming that every symptom has an environmental cause. Health conditions, medications, outdoor pollution, building systems and personal sensitivities all matter. If someone has new, severe or worsening symptoms, consult a qualified healthcare professional rather than relying on a simple checklist.

This article focuses on practical indoor exposure management for older adults at home and in facility care. It is not medical advice, and it cannot diagnose an illness or determine an individual’s exposure level.

Why exposure management can matter with age

Exposure management means recognizing potential sources of pollutants and taking reasonable steps to reduce contact with them. It does not mean trying to remove every possibly-offending substance from the environment.

A peer-reviewed assessment of indoor air quality in elderly care centers describes how building conditions, ventilation, cleaning activities, furnishings, combustion sources and outdoor air can contribute to indoor exposures. It also notes that older adults may spend substantial time indoors, and while the evidence specifically connecting many indoor exposures to health outcomes in older adults remains limited, it supports sensible prevention, not alarmist conclusions. [1]

The U.S. Environmental Protection Agency (EPA) identifies older people and people with health problems as groups for whom some indoor pollutants may be especially harmful. Pollutants can include gases, chemicals, mold and other biological material. [2]

The goal is not to create a perfectly controlled environment. It is to make useful, proportionate changes that fit the person’s health, mobility, budget and living situation.

Start with seven practical criteria

Before buying a device, hiring a service or changing a routine, use these criteria to decide whether an action is appropriate:

• Identify the likely source. Is the concern smoke, a combustion appliance, dampness, a cleaning product, dust, outdoor pollution or something else?
• Address the source when feasible. Preventing or reducing emissions is often more useful than trying to treat air after a pollutant has spread.
• Match the intervention to the pollutant. A particle filter is not a universal solution as it does not address gases, moisture problems or carbon monoxide.
• Use ventilation thoughtfully. Outdoor air can dilute indoor pollutants, but it may also bring in wildfire smoke, traffic pollution, heat or allergens.
• Protect comfort and safety. An intervention should not make the resident too cold, too hot, or unable to use essential appliances or mobility equipment.
• Check maintenance and instructions. Filters, exhaust fans, alarms and appliances only help when installed and maintained as directed.
• Ask for qualified help when the issue is beyond a simple fix. Examples include recurring water intrusion, suspected combustion problems, persistent symptoms, or a need to interpret specialized testing.

These criteria reflect INDEX’s science-to-solution approach: begin with the problem, consider the evidence and available options, and choose a practical pathway without treating any one product as a universal answer. INDEX is a 501(c)(3) nonprofit focused on improving understanding of indoor exposures and supporting the public benefit.

A plan for controlling indoor exposures

Manage cleaning products and other chemical sources

Some cleaning supplies, paints, pesticides, air fresheners, furnishings and building materials can release volatile organic compounds (VOCs). EPA notes that VOCs may be emitted during use and, for some products, while they are stored. [2]

To reduce avoidable exposure:

• Read product labels and follow directions, including ventilation and protective-equipment instructions.
• Use only the amount needed and close containers tightly after use.
• Store chemicals as directed, away from living and sleeping areas where practical.
• Avoid mixing cleaning products unless the label specifically instructs you to do so.
• Consider fragrance-free or lower-emission alternatives when a person finds scented products irritating; “natural” or “green” on a label alone does not establish that a product is harmless.
• During painting, renovation or intensive cleaning, plan where the older adult can stay comfortably while work is underway and follow product-specific re-entry guidance.

If a product causes immediate breathing difficulty, eye irritation or other concerning symptoms, move away from the source and seek appropriate medical advice. Do not assume that an odor—or the lack of one—can tell you whether an exposure is safe.

Prevent moisture problems and address visible mold

Moisture control is central to managing mold. Leaks, plumbing failures, condensation and poorly ventilated facilities can keep materials damp and create conditions for mold growth. EPA recommends keeping areas clean and dry, promptly addressing water problems and drying water-damaged materials within 24–48 hours where possible. [2]

A practical checklist:

• Repair leaks and identify the source of water rather than simply covering stains.
• Use a facility exhaust fan during and after bathing if it vents outdoors.
• Keep an eye on recurring condensation, damp materials and persistent musty smells.
• For substantial mold, repeated water damage, or contamination in hard-to-reach areas, consider a qualified professional rather than disturbing materials yourself.
• If the older adult has asthma, chronic lung disease or a weakened immune system, discuss the situation with a healthcare provider and use extra care around cleanup.

Testing every facility for mold is not always the first or most useful step. Visible growth or ongoing moisture calls for attention to the water source and the affected materials; a test result by itself does not explain the cause of symptoms.

Balance ventilation with outdoor conditions

Ventilation can help dilute indoor pollutants, and kitchen or other facility exhaust fans can remove emissions near their source. EPA recommends increasing fresh-air ventilation when conditions allow and using exhaust fans that discharge outdoors. [2]

But “open the windows” is not the right answer in every circumstance. When wildfire smoke, heavy traffic pollution, extreme heat, cold or high pollen is affecting outdoor air, opening windows may bring unwanted exposure or discomfort indoors.

During a wildfire smoke event, keep doors and windows closed, use cooling equipment as appropriate, filter air with a portable cleaner, and avoid activities that generate particles. Follow local public-health and emergency instructions, especially if evacuation is advised. [3]

For everyday ventilation, consider the person’s comfort, outdoor conditions and building setup. If the facility relies on a mechanical ventilation or heating, ventilation and air conditioning (HVAC) system, ask a qualified technician or building manager how it operates and how filters should be maintained.

Use filtration as one tool—not a substitute for source control

Filtration may help reduce some airborne particles, but it does not solve every indoor air problem. A portable air cleaner should be selected for the room where the person spends time, used and maintained as directed, and evaluated for the pollutant it is intended to address. For smoke particles, increase indoor filtration as one option when additional outdoor-air ventilation is not possible. [3]

Before choosing a device, consider:

• Whether the concern is particles, gases, or both.
• Whether the unit is sized for the room and can run without disrupting sleep or conversation.
• The cost and availability of replacement filters.
• The manufacturer’s maintenance requirements.
• Whether the device uses a technology that may produce ozone; avoid creating a new air-quality concern while trying to address another one.

Follow HVAC filter instructions and avoid installing a filter that the system is not designed to use. If a filter change reduces airflow or affects heating or cooling, contact a qualified technician.

Test for radon and maintain safety alarms

Radon is a naturally occurring radioactive gas that can enter buildings from the ground. It has no reliable smell or taste, so a person cannot assess it by looking around or noticing an odor. Be sure to test spaces for radon and address elevated results with qualified help.

Use a radon test appropriate for the space and follow instructions carefully. If the result indicates that mitigation may be needed, contact a qualified radon professional. Do not rely on an air purifier to control radon.

Smoke and carbon monoxide alarms are also important parts of a safety plan. Test and maintain them according to the manufacturers’ instructions and local fire-safety guidance. Caregivers can help by noting alarm locations, checking that alarms are not obstructed and making sure the older adult can hear or otherwise receive the alert.

Include temperature and personal comfort in the plan

Exposure management is not only about pollutants. Temperature, humidity and airflow affect whether a facility is comfortable and whether a ventilation strategy is workable. Older adults may have individual health conditions, medication effects or mobility limitations that influence comfort and risk.

Instead of imposing a single temperature setting, ask the resident what feels comfortable, pay attention to signs of overheating or chilling, and follow clinical guidance where relevant. During heat or cold events, prioritize local health and emergency advice. Do not use open windows for ventilation if they create a security risk, worsen outdoor exposure or make the facility dangerously uncomfortable.

Free: Get Your Indoor Air Risk Score

Takes 2 minutes. Covers air-related exposure.

Calculate My Risk →

When monitoring or professional help may be useful

A written log can help a resident or caregiver notice patterns without over-interpreting them. Record the time, room, activity, ventilation conditions and any symptoms—for example, whether discomfort occurs after cleaning, during cooking or on days with poor outdoor air.

Indoor monitors may provide information about selected parameters, but a single reading does not measure every pollutant or diagnose a health problem. Carbon dioxide readings, for example, are sometimes used as an indicator of ventilation conditions; they are not a complete measure of indoor air quality. If a concern persists, identify what question a test is meant to answer before paying for it.

Seek qualified support for persistent dampness, suspected fuel-appliance problems, elevated radon results, major renovation concerns or symptoms that repeatedly seem linked to a particular space. A clinician can help assess health symptoms; a qualified building or environmental professional can investigate building conditions. These roles are complementary, not interchangeable.

A simple weekly check-in for caregivers

A brief routine can make exposure management easier to sustain:

• Look: Check for leaks, condensation, odors, smoke sources and blocked vents.
• Listen: Ask whether the resident notices odors, stuffiness, drafts or discomfort.
• Maintain: Check alarms, exhaust fans and HVAC filters on the schedule specified by the manufacturer.
• Plan: Review outdoor air and weather conditions before deciding to open windows or ventilate.
• Follow up: Note unresolved problems and agree on who will contact a clinician, building manager or qualified technician.

The older adult should be involved in decisions whenever possible. A plan that respects preferences, privacy, mobility and daily routines is more likely to be workable.

Build an indoor exposure action plan

Want a structured way to review possible indoor-air concerns? Use the INDEX IAQ Risk Calculator to organize observations about your home and identify practical next steps. The calculator’s risk score is a screening and education tool—not a medical diagnosis or substitute for professional testing. Email capture is required to receive the gated results.

INDEX is a 501(c)(3) nonprofit. Its Science-to-Solution methodology connects research with practical pathways for public benefit; it does not imply that a product or single intervention is right for every household.

Practical pathways

For older adults and caregivers, the most useful options are often actions matched to a known source: repair moisture intrusion, use exhaust ventilation when appropriate, reduce indoor smoke, follow cleaning-product directions, maintain alarms, test for radon, or seek qualified assessment when a problem is not straightforward.

Support the Research Behind This Article

Support our work.

Donate  →