Indoor Air Quality Checklist for Indian Homes (Free Download)
- Sharvin Ghodekar
- Feb 27
- 3 min read
NASA’s famous clean air study is widely cited — but most people misunderstand what it actually proved.
The study conducted by NASA is often used to claim that houseplants can “purify indoor air.” But here’s what’s rarely discussed: the experiment was conducted in sealed laboratory chambers, not in real-world Indian apartments. The density of plants required to significantly reduce indoor pollutants would be impractical for most households.
This doesn’t mean plants are ineffective. It simply means their impact is often overstated when applied to everyday living spaces.
What the NASA Clean Air Study Actually Found
The NASA Clean Air Study examined how certain plants could remove volatile organic compounds (VOCs) like benzene and formaldehyde in controlled environments. Under those conditions, plants did show the ability to reduce specific airborne toxins.
However, real homes function very differently. Airflow, ventilation, ceiling fans, open windows, air conditioning, and overall room size significantly influence indoor air quality. When these real-world variables are introduced, the measurable purification effect of plants alone becomes limited.
Plants contribute positively to indoor environments, but they are not a complete indoor air purification solution.
The Indian Indoor Air Reality
Indoor air purification in India comes with unique challenges that laboratory studies do not account for:
High humidity levels, especially during monsoon
Damp wardrobes and storage units
Mold growth in enclosed spaces
Closed apartments running AC for extended hours
Extreme summer heat causing car interior fumes
Plants cannot be placed inside shoe racks, gym bags, storage trunks, bathroom cabinets, or car interiors. They also do not directly address shoe odor, moisture buildup in wardrobes, bacteria in sports gear, or off-gassing from heated car dashboards.
These confined, low-airflow spaces are often where odor and dampness problems begin.
Activated Charcoal – A Practical Complement
Activated charcoal works through adsorption, not absorption. Absorption involves soaking a substance in. Adsorption involves trapping molecules onto a surface.
Activated charcoal has an extremely porous structure with a vast internal surface area. Coconut shell activated carbon, in particular, is known for its high micropore density, making it effective at trapping odor molecules, excess moisture, and certain airborne pollutants.
Unlike synthetic air fresheners, activated charcoal does not release fragrance into the air. It does not mask odor. It captures it.
For small enclosed areas in humid Indian homes, this makes activated charcoal a practical and chemical-free air purification support tool.
Plants and Charcoal Work Best Together
This is not a debate between plants and charcoal.
Indoor plants improve aesthetics, enhance mood, and contribute to a calming environment. Activated charcoal, on the other hand, is effective in confined micro-environments where moisture and odor accumulate.
Plants improve ambiance. Charcoal manages enclosed air pockets.
Used together, they create a more balanced approach to natural indoor air quality improvement.
Where Charcoal Works Better Than Plants
There are specific spaces in every home where plants simply cannot function:
Shoe racks
Wardrobes
Car interiors
Storage boxes
Bathroom cabinets
Laundry areas
These enclosed areas often trap humidity and odor due to limited ventilation. Activated charcoal is particularly effective in such micro-environments because it works passively and continuously without electricity.
Reusable activated charcoal pouches like Auraami can be placed in these confined spaces where plants are not practical. They require no power source and can be refreshed periodically in sunlight to maintain effectiveness.
Indoor Air Quality Checklist for Indian Homes
If you’re serious about improving indoor air quality naturally, review the following:
Identify moisture-prone areas such as wardrobes and storage units
Check ventilation and airflow in bedrooms and living spaces
Monitor odor hotspots like shoe racks and laundry areas
Assess car interiors for summer heat buildup and trapped smells
Combine plants for open spaces with charcoal for enclosed areas
Comments