Buy Air Purifying Plants Online. We spend a lot of time indoors, and with the advent of the “work from home” lifestyle, this means that we regularly breathe in poor quality air caused by air conditioners and electrical appliances that build up toxic substances in the home. nausea, itchy eyes and other similar ailments. This is where air-purifying plants come to the rescue. In addition to increasing the amount of oxygen, air-purifying plants also reduce humidity and detoxify the air by reducing harmful particles such as smoke, dust, and germs. some of the best air purifying plants include snake plants, money plants, and different versions of Aglaonema and Philodendron plants.