Why was he Coughing? This was the question asked by my colleague John one weak back. I advised him to consult a pediatrician.

John has a 5 year kid. He found that whenever his boy travels in car, he would start coughing all the day. So they went to pediatrician and got it checked. Surprisingly he was diagnosed with allergic bronchitis. When he inquired reason for allergic bronchitis, the doctor has said some interesting facts regarding it.

Car can act as warehouse for many irritants. Even though the air filters in cars are of good quality, their efficiency decreases over time and has to be replaced regularly. Further these filters cannot do complete purification, as we open and close doors often, which allows air through car windows directly. The roof and floor lining of the car can act as banking zone for lot of dust particles which also include allergens and PM2.5 (particulate matter of size less than 2.5 microns). These are (PM 2.5) tiny particles that can stay for longer periods than usual pollutants. They play pivotal role in bronchial and asthmatic attacks. Hence people with bronchitis and asthma should avoid using uncleaned or dusty cars.

The uncleaned AC vents can harbor millions of dust particles and pollutants.  The moisture in these vents provide a suitable environment for fungal spores and molds to grow. When we switch on AC, blower pushes all this dust particles into the car’s internal environment.
Strictly speaking the pollution levels in an uncleaned car will be on higher side when compared to outside environment. The foot pads/ mud pads contain more dust, collected from shoes and other foot ware of passengers. Hence they should be cleaned regularly.

When I heard this I found many valid points in it. Really! Can a car act as a source house of allergens?

After searching good number of articles on net, I came to a conclusion that, YES! Car, if not cleaned properly can be a potential source of irritants. People with Asthma, should be careful while using vehicles, as there are many known incidents where the dust and irritants in the car were found to be the primary triggering factors for attacks.

Cars with rough and woolly linings on the roof and floor should be cleaned on a regular basis, as they were found to be more dust attractive than a smooth lining. These linings have to be cleaned with a vacuum cleaner. Even after thorough and regular cleaning of the car, the purification level of air, inside it is questionable, due to high pollution levels in air itself. Cars in metros will definitely have pollution levels on higher side, when compared to other cities.

One way of getting rid of such pollutants is to use AIR PURIFIERS. There are many compact air purifiers available for cars.



Car air purifiers have good chances to reduce pollution inside car.

Patients with Asthma, COPD, and Hay fever have good chances of reducing their attacks using car air purifier. (Advocated in WEB MD).

HEPA filters in air purifiers are best known for purification of particles less than 0.3 microns. Their high efficiency in purification (99.97%) can help in reducing asthmatic or other allergic attacks.

These filters can also reduce the bacterial, fungal and viral count in the car to some extent, as they successfully filter particles at micron levels.

Don’t be confused with AIR PURIFIER – HUMIDIFIER – DIFFUSER. – while buying a car air purifier.

These three terms are different form one another.

Air purifiers contain filters which reduce the amount of dust and allergens in the air. While humidifiers use water. The air passes through water and gets humidified. Humidification increases the weight of these dust particles in air, thus decreasing their flying capacity in car environment. The humid air decreased the chances of irritating your bronchial system, thus reducing the asthmatic attacks. A diffuser is not a purifiers, they spread the scented air within the car. 

Before reading further. I would request you to  click here    to know some basic terminologies used in air purifiers. This helps in selecting the best air purifier of your interest.

After a thorough search, we have finally selected 5 best rated car air purifiers.

1. Honeywell Move Pure Car Air Purifier

High Grade HEPA filter – removes PM2.5, dust and fights external particulate pollutants
Double layer active carbon filter.
CADR of 12 Cu m/hr, 
Completely ozone free In-car air purification cycle Air up to 4 times per hours

Buy now [INDIA]

2. Philips GoPure Compact 100 Airmax

CADR: 14m3/hour 2 fan speed modes.

High resistance to pressure and thermal shock 
Automatic switch on when you start your car. 
Filter replacement indication. 
 Filter Runs for 1 year 
Cleans your Car Air in Just 13min

Buy now [INDIA]
Buy now [USA]
Buy now [UK]
Buy now[CANADA]

3. Honeywell Move Pure2 Car Air Purifier

CARD of 15 cu.M/hr. High grade hepa filter – removes PM 2.5. 
Advance double layer active carbon filter 
 Long filter life of 360 hours, can run for 5-6 months if used for 2-3 hours day.
Filter replacement indicator, 2 fan speed modes.
Real time air quality indicator helps in accessing the pollution levels in car. 
Circulates the air 5 times in an hour. Cleans air in 10 min. 
Automatic switch on when you start your car.

Buy now [INDIA]

4. Philips GoPure Slimline 230

CADR of 10m3/hour.
3 fan speed modes. Certified by Airmid for Unique Philips Select Filter 
13 minutes purification time 
Real time Air quality indicator helps in identifying the present pollution level in air, with 3 colour indicators. 
Filter Lifetime up to 350hr . Automatic switch on when you start your car. 
Fragnance diffuser is available to refresh air

Buy now [INDIA]
Buy now [USA]
Buy now [UK]

5. Mann-Filter FC 301 Car Air Purifier

Faster CADR  – healthy air within 2 minutes with HEVA technology. 
HEVA filter technology delivers high PM2.5 filtration performance. 
Integrated Air Quality Sensor with USB Port for charging. 
3 detection levels of monitoring in-car air quality. Silent Mode 40dB in low speed for quiet comfort 
6 months to one year filter life.(depends on usage)

Buy now [INDIA]


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