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Manufacturing Technology Insights | Tuesday, January 24, 2023
Air pollution threatens the health of everyone. The impact of air pollution becomes more prominent as our society evolves and pollution sources increase.
FREMONT, CA: Hazardous chemicals and airborne contaminants are prevalent in urban areas with a high industrialization level. In addition to producing acute and chronic illnesses like respiratory infections, lung cancer, and heart disease, these pollutants can harm human health. Monitoring air pollution is essential for informing citizens about the health hazards posed by air pollutants and supporting policymakers in creating rules and legislation aimed at reducing those risks. Currently, pricey high-end static sensor stations are the mainstay of air pollution monitoring. These stations don't record individual variations in air pollution exposure; instead, they produce aggregated data regarding air pollutants.
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One of the things that put people's health in jeopardy is air pollution. The effects of air pollution are more noticeable as society develops, and there are more environmental pollution sources. This is particularly true in densely populated locations that provide access to various infrastructures, including industry, public transit, and other urban utilities. According to World Health Organization (WHO) estimates, 7 million people worldwide die yearly due to air pollution (WHO). Heart disease, strokes, lung cancer, and chronic respiratory illnesses are all caused by air pollution.
High-end monitoring stations that can only be deployed in a few cities due to their prohibitive cost are used to analyze the air quality in most cases. These monitoring stations have high maintenance costs and are typically found close to urban areas or in populated areas, leaving vast geographic expanses unobserved. The data on air quality that is currently available is, therefore, coarse-grained. As the data is extrapolated across a larger geographic area, areas far from these monitoring stations may experience a decrease in the reported numbers' accuracy. Instead, using wireless sensors in trains, buses, and other forms of public transportation to monitor air quality leads to the greater spatial coverage.
In order to solve the patchy coverage, there has been a clear shift toward using strength in numbers, intending to produce high-resolution air quality data. A longer-term solution to these problems requires more research. Existing initiatives, however, have been restricted to analyzing the advantages to individual people and establishing the viability of collecting data from the public.
An additional advantage of citizen-based monitoring is that it helps measure air pollution's effects on people's health and get information about air quality through the crowd equipped with cheap, portable air quality sensors. Particulate matter and gaseous pollutants like CO2 and NOx are this situation's most important air pollutants. There is evidence that exposure to PMs raises the risk of many illnesses, including autism, Alzheimer's disease, anxiety, asthma, chronic obstructive pulmonary disease, hypertension, and stroke.
Fortunately, because of the physical features of the PMs, it is possible to calculate the inhaled dosage of these pollutants and assess their impact on human health.
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