Air dust has been defined as another affecting stress on plants because they often react to atmospheric pollution similar to drought and other abiotic stress. The capability of plant coverage to retain Particulate Matter (PM) in the atmosphere is highly associated to the PM and plant surfaces. Plants are consistently exposed to air dust. By adsorbing PM on leaf surfaces of the plants, the air quality is improved, while the plants are also impacted by their accumulation. In hot and dry areas, the plant productivity is highly influenced by dust pollution with high insolation during summer. However, there is still little knowledge on how individual leaf react to the dust. This could be due to different findings of researches.
