Environmental health is not about outdoor pollution. Offices, hospitals, schools, malls, and other buildings can affect exposure to indoor pollutants through ventilation, cleaning, sanitation, and maintenance. On World Environmental Health Day 2026, building managers should see air, restroom hygiene, chemical use, and water systems as important environmental health issues.
September 26 is World Environmental Health Day, started by the International Federation of Environmental Health (IFEH). The 2026 theme is “Environmental Health: Standing with Science to Protect Communities.” For India, that theme brings up a question: What happens when environmental health is considered at the building level?
Many people spend a lot of time inside offices, schools, hospitals, malls, and other shared buildings. The quality of these places depends on decisions that seem simple—how a building is ventilated, what cleaning products are used, how restrooms are maintained. How much water is used to move waste through the drainage system. These are not topics. Together they make up the conditions people face every day.
Buildings Are Part of the Health Environment
Indoor air quality is usually seen as a ventilation issue. The sources of indoor pollution are many. The World Health Organization says that volatile organic compounds, or VOCs, can come from building materials, furniture, paints, carpets, detergents, and other indoor items. Better ventilation and healthier building materials can help lower people’s exposure to air pollutants. This approach not only protects health but also saves energy and reduces costs.
Research from India reinforces the importance of looking inside buildings. A field study of 30 air-conditioned Indian offices found indoor-environment concerns including elevated CO₂, total VOCs, particulate matter, and nitrogen dioxide, with operation and maintenance identified among the factors influencing indoor environmental quality.
The study looked at buildings in Delhi. It measured CO₂, PM2.5, and VOCs in office and educational buildings. The results show that indoor air quality can differ greatly from one building to another and from one location to another. The lesson is clear: a building cannot be called healthy because of its surroundings today.
Cleaning Can Change What People Breathe
Housekeeping is essential. But cleaning itself can influence indoor air. A 2026 study published in Indoor Air examined emissions during floor mopping with cleaning products. The researchers observed emissions of VOCs and fine particles, with results varying according to the product and fragrance used. Higher‑concentration cleaning solutions also increased emissions in the experiments. A 2024 review in Environment International similarly concluded that cleaning and disinfecting products can increase occupants’ exposure to air contaminants and particulate matter with daily use.
It highlighted product selection, ventilation, and safer cleaning practices as relevant ways to reduce exposure. This does not mean that every conventional cleaning product creates a dangerous building environment, nor that every product marketed as “green” is automatically harmless. In fact, research has also detected VOC emissions from some products marketed as green.
That is why building operators need a more evidence-based approach: measure where possible, improve ventilation, follow correct dilution and handling practices, and evaluate the chemical profile of products used repeatedly.
The Washroom Is Part of Indoor Environmental Health
There is another building issue that receives less attention: restroom air. Urine contains urea. When urea undergoes hydrolysis, ammonia is produced. Ammonia then creates a characteristic odor that is commonly found in urinals. This odor is noticeable to everyone around.
Zerodor’s technical explanation describes how urease-driven hydrolysis produces ammonia and how gases can travel back through drain lines. This matters because restroom odor is not simply a question of whether a washroom “smells good.” It can indicate a combination of drainage, cleaning, moisture, and sanitation-management problems.
Traditional flushing also introduces another environmental cost: potable water is repeatedly used to transport urine into the sewer system. A waterless approach can address that particular source at the infrastructure level. Zerodor’s waterless urinal technology in India uses a mechanical one-way valve designed to allow urine to drain while helping prevent odor-causing gases from returning through the drain.
The company says its retrofit system needs no flushing water and no cartridge-based sealant. This design focuses on solving pollution and resource issues at the source. The bigger idea matters more than any product. When buildings fix problems early, environmental health gets better. Treating symptoms over and over is not enough. Fixing the root cause helps everyone.
What Should a Building-Level Environmental Health Audit Include?
A practical audit does not need to begin with an expensive building-wide transformation.
Facility teams can start by asking five questions:
- What are occupants breathing?
Review ventilation performance and, where appropriate, monitor CO₂, particulate matter, and VOCs. - What products are being used every day?
Create an inventory of floor cleaners, toilet cleaners, disinfectants, air fresheners, and other frequently used chemicals. Check labels, safety information, dilution requirements, and ventilation practices. - Where are persistent odors coming from?
Inspect urinals, drains, waste areas, damp surfaces, and other potential sources instead of relying only on fragrances to mask odors. - How much water does sanitation require?
Measure water-intensive fixtures and investigate opportunities for reducing unnecessary flushing and leakage. - What happens after cleaning?
Check if cleaning schedules, chemical levels, and ventilation habits cause risk for housekeeping staff and residents.
These questions change health from a vague goal into a clear task that facility teams can handle daily for all everywhere today.
Cleaner Buildings Need Better Procurement Decisions
Procurement teams have an often overlooked role today, daily.
A cleaning contract should not be judged by whether floors look clean or washrooms smell fresh. Building owners can also consider VOC emissions, ingredient profiles, worker exposure, compatibility with sewage-treatment systems, water consumption, packaging, and disposal requirements.
For organizations looking to reduce chemical load, eco-friendly commercial cleaning India solutions can be evaluated alongside conventional housekeeping products according to performance, safety documentation, certifications, environmental claims, and actual use conditions. Ekam Eco currently describes its cleaning solutions as VOC-free, non-toxic, and designed for high-footfall environments, while its surface-cleaning range is positioned for offices, factories, hospitality spaces, and institutional campuses.
The important point is not to replace every product overnight. It is to move procurement from “What cleans fastest?” toward “What cleans effectively while creating the lowest unnecessary environmental burden?”
Environmental Health Starts Where People Spend Their Time
India’s environmental health discussion rightfully covers air pollution, water quality, waste management, and climate resilience. Buildings should get a bigger role in that talk. A school classroom, a hospital corridor, an office floor, or a public restroom is not a space. It is a place where ventilation, building materials, cleaning chemicals, sanitation systems, water use, and maintenance choices all affect one another.
World Environmental Health Day reminds us that healthier communities are not made by big public programmes. They are also built by thousands of choices made inside the buildings people use.
The chance is practical: measure conditions, cut unnecessary chemical exposure, improve ventilation, stop sanitation odors at their source and cut avoidable water use. When buildings are designed and operated with environmental health in mind, sustainability stops being a separate department’s responsibility. It becomes part of how the building works.
FAQs
Q.1. Why is indoor environmental health important in India?
Ans. People spend significant amounts of time inside buildings, where ventilation, cleaning products, building materials, sanitation, and maintenance can influence indoor environmental conditions. Studies of Indian offices have identified concerns involving CO₂, VOCs, and particulate matter.
Q.2. Can cleaning products affect indoor air quality?
Ans. Yes. Research has found that cleaning activities can release VOCs and particles indoors. The amount and type of emissions depend on factors including the product, formulation, fragrance, concentration, and conditions of use.
Q.3. Why can urinals produce an ammonia smell?
Ans. Urea is a part of urine. When it breaks down, it releases ammonia. In urinals, the smell may also come from gases that move through the drainage pipes.
Q.4. How can buildings reduce their environmental-health burden?
Ans. First, check the building air often for ventilation; the chemicals used for cleaning the bathroom smell, the water usage, and cleaning. Then choose the fixes based on the test results and the building needs.
Q.5. What is the role of sanitation in environmental health?
Ans. Sustainable sanitation saves resources. Stops problems early daily. Urinals that do not need water do not use any flushing water. Mechanical smell‑control devices can stop sewer gases from coming into the bathroom.
Author: Founder, Ekam Eco Solutions
This article is intended as expert commentary on environmental health and building operations. Specific health, safety, and environmental measures should be evaluated according to the building type, applicable standards, and professional assessment.
