delivering water to an electrochemical ozone generator to form an aqueous ozone gas and an oxygen gas;

delivering, from the electrochemical ozone generator, the aqueous ozone gas and the oxygen gas to a first treatment stage;

oxidizing an airflow extracted from a surrounding environment by combining, in the first treatment stage, the airflow with the aqueous ozone gas and the oxygen gas forming an oxidized airflow;

deodorizing the oxidized airflow to form a deodorized airflow in a second treatment stage with a plurality of hydroxide molecules that are created by combining the oxidized airflow with an ultraviolet light, a plurality of titanium oxide particles, and a plurality of manganese dioxide particles;

reducing to a human-safe permissible level the remaining portion of the aqueous ozone gas in the deodorized airflow to oxygen by way of an interaction with the plurality of titanium oxide particles and the plurality of manganese dioxide particles; and

venting the deodorized airflow back into the surrounding environment with the aqueous ozone gas level at or below the human-safe permissible level.