Abstract
There are growing activities leading to emission of suspended particles. Industrialization and expanding the cities in Iran is an alarm of urban air pollution and the particulate maters (PMs) as one of the criteria air pollutants. The concentration of the particulate maters, exposure and the health risks are studied in this systematic review regarding the published literatures in the data bases of SID (Scientific Information Database), Science direct, and Google scholar. The results showed a high concentration of PMs, which was the highest concentration related to PM10 (146.39 ± 123.31 µg/m3) and then respectively PM7, PM4, PM2.5 and PM1. The concentration of particles in spring (136.79 ± 157.95 µg/m3) was higher compared to remain, it was followed by summer, winter and autumn, respectively. The particles were with higher concentrations in industrial areas compared to the commercial and residential areas. The risk of cancer and toxicity of PM2.5 was high for all age groups, and the risk levels were very high for children under 6 years old (4937.7×10-6). Non-cancer risk PM10 (2.92), PM2.5 (7.41) for outdoor air in most cities was higher than the guideline limit of 1.
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