Abstract
Heavy metals emitted from different sources such as vehicular exhausts, industries, coalmines, combustion, and thermal plants can lead to severe health hazards for plants and humans. Biomonitoring of heavy metals using plants is an economical and affordable method for controlling hazardous airborne heavy metals. This review article focuses on the determination of heavy metal content in different types of particulate matter (PM) samples deposited/accumulated on the plant surfaces for the assessment of air quality. A general overview has been given to highlight the importance of heavy metal toxicity and its definitions. In addition to it, different plants are discussed which are utilised for heavy metal phytomonitoring. Current developments in phytomonitoring are highlighted by discussing the studies conducted in different parts of the world, limitations and future prospects are also highlighted.
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