27. Experiment to measure personal PM2.5 exposure concentration in Ho Chi Minh City
Main Article Content
Abstract
The study aimed to measure personal exposure to PM2.5 (fine particulate matters) concentrations according the following factors: background characteristics, location, transportation, activities, ventilation status, air quality. A longitudinal follow-up study conducted on 36 volunteers in Ho Chi Minh City. The median PM2.5 concentration level was 14 µg/m3. Personal PM2.5 exposure level was higher during the day and on weekends. For indoor locations, the highest PM2.5 exposure level were recorded in barbershops or beauty salons (33 µg/m3), companies or manufacturing plants (28 µg/m3) and restaurants (22 µg/m3) (p < 0.001). Eating, worshiping, shopping, traveling and cooking showed the highest PM2.5 exposure level (from 17.5 to 21.5 µg/m3). The data showed that the agent causing the two highest exposures were smell from the factory (35 µg/m3) and cigarette smoke/artificial smoke (26 µg/m3). In conclusion, personal exposure to PM2.5 was high, especially when exposed to smoke, dust agents and activities related to eating, drinking, and worshiping.
Article Details
Keywords
PM2.5, personal exposure, related factors, Ho Chi Minh city
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