Why Are There Still Smells Even After Using a Carbon Filter?

There are several reasons why you may still be able to smell cigarette and other smells, even after turning on your air purifier with activated carbon filter.

  1. The most likely reason is that you have a source of smells or VOCs inside your room. The carbon filter will adsorbs gases and smells from the air. However if you have another source of VOCs it may consistently be emitting these gases into the air.

Learn more: What are the most common sources of VOCs in the home »

2. Your carbon filter or air purifier is not big enough for the room. Check the CADR rating of your air purifier, to make sure it can deliver enough clean air for the size of your room.

Learn more: what is CADR and why is it useful »

3. Your carbon filter is saturated (full) and needs replacing. It may be that your carbon filter has become saturated with VOCs and can no longer adsorb and more gases or VOCs. Check your carbon filter to find out if its saturated:

Learn more: How to perform a carbon filter ‘smell test’ to tell if it needs replacing »

Get Your Free Guide to Breathing Safe

Join the thousand keeping up on the latest research & knowledge on how to breathe safe. Sign up now and receive a free guide to breathing safe!

Was this article useful?00

Smart Air is a social enterprise that creates simple, no-nonsense air purifier and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.