According to Guangdong research, osmanthus is more resistant to chlorine, in 20 meters from the chlorine outfall, often smell chlorine conditions, after a week only a few leaves are victimized. Artificial fumigation tests show that the resistance to sulfur dioxide, chlorine are medium. According to Hangzhou, artificial fumigation tests show that it is more resistant to sulfur dioxide.

The ability to absorb toxic gases. According to Guangdong research, in the polluted area after 58 days of planting, 1 kg of dry leaves can absorb 4.8 grams of chlorine. According to Hangzhou research, after artificial fumigation with sulfur dioxide, 1 kg of dry leaves can absorb sulfur 3.6 grams. According to Shanghai research, osmanthus can absorb part of the mercury vapor without victimization, per kilogram of dry leaves can absorb 5.1 milligrams of mercury. According to Japanese research, in Osaka City, under the conditions of sulfur dioxide pollution, the leaf sulfur content of 0.28%.

According to Nanjing determination, osmanthus also has the ability to absorb stagnant dust and attenuate noise.

Osmanthus exudes the fragrance of tuberculosis bacillus, pneumococcus, staphylococcus growth and reproduction has obvious inhibition. Indoor ornamental potted osmanthus, flower keepers to prevent disease and fitness is very beneficial. The fragrance of osmanthus can greatly reduce the pain of bronchitis patients, because osmanthus essential oil can not only antibacterial and anti-inflammatory, but also can stop cough, phlegm, asthma. The fragrance of osmanthus flowers can make people happy and relaxed; it has the function of relieving depression, clearing the lungs and eliminating filth.

Osmanthus can be cultivated in the factory area of the city where air pollution is not too serious, as a green ornamental species.