Smog damages plant life by inhibiting plants' natural ability of plants to make and Acid Deposits and Acid Rain
Smog can create acid deposits in the form of acid rain, snow, fog, gas and dust. As smog reacts with water in the air, it creates acidic particles. Acidic agents ending up in plants, soil and water deplete current nutrients, cause water pollution, which can affect plants and animals, magnify mercury in the food chain and damage buildings and monuments by acidic erosion.