Top 10 sources of indoor air pollution 
                     Top 10 
Source
s Of 
Indoor 
Air 
Pollutio
n
Adverse impact due to the 
household products
Household products like 
paint, room fresheners, 
perfumes, sprays etc. 
consists of toxic VOCs, 
which is one of the most 
common air pollutant.
Cooking activities
The cooking and heating 
of gas by using 
kerosene, oil or wood 
sources releases 
nitrogen dioxide, carbon 
dioxide and other 
harmful chemicals.
Ventilation not up to the mark
Not having enough vents 
can decrease the air flow 
inside the house. Houses 
located in the industrial 
areas face lack of air 
conditioning and humidity 
due to which there is no 
proper air circulation.
Leakages and humidity issues
Not fixing the faucets and 
leakages can make your 
house damp and moist 
leading to the growth of 
molds, which is one of the 
most common source of 
indoor air pollution.
Stuffed and unhealthy room
Stuffy room can make your 
home and occupants sick 
since there is not enough 
space for the circulation of 
air due to which there is a 
build up of dust particles.
Smoking cigarettes
Smoking tobacco and 
cigars inside the house 
releases harmful 
chemicals and suffocating 
smoke particles which 
remains in the air for a 
long duration.
Home dusting and cleaning
Micro dust particles are 
suspended in the air 
whenever you dust the 
house or use brooms while 
cleaning the floor. It can 
cause allergies and 
irritation when inhaled.
Adhesive used in furniture
Furniture uses adhesive 
containing formaldehyde 
which causes irritation in 
skin, eyes, nose and 
throat. EPA has classified 
formaldehyde as a 
“probable human 
carcinogen.”
Allergies due to pets
Keeping pets can 
cause certain allergies 
and irritation, 
therefore pet care is 
really important if you 
have one.
Incense sticks
Burning of incense 
sticks increases the 
concentration of CO 
and NO in the air 
which contributes to 
the indoor air 
pollution.