How to Tell if I am Using Harmful Ionizer Air Purifiers?

To find out if your purifier releases harmful chemicals, first find the make and model of your purifier.

Then, head to the California Air Resources Board list of approved air purifiers and search for the purifier. Air purifiers that may generate ozone and other harmful chemicals are listed as “Electrical” under the type column. Those that do not generate ozone or ions are listed as “Mechanical”.

Smart Air’s purifiers, shown above, are all of the “mechanical” type and do not use ionizers.

Learn more on Schools: Don’t Use this Air Purifier for COVID-19 Protection »


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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.