![]() ![]() Looking at some of its more polluted cities to give an example of its air quality issues, there was one city that came in with a ‘moderate’ rating of pollution over the course of 2020, a rating that requires a PM2.5 reading of anywhere between 12.1 to 35.4 μg/m³ to be classified as such, and nine that came in with a 'good' pollution rating (10 to 12 μg/m³ required). Due to this, it is used as a major component in the calculation of the overall air quality index, or AQI, along with several other pollutants that will be discussed in short. This incredibly small size, and coupled with the various harmful materials that it can be comprised of, come together to form a pollutant that is extremely harmful to human health when respired. PM2.5 refers to particulate matter that is 2.5 micrometers or less in diameter, on occasion going down to sizes as small as 0.001 microns or beyond. With its extremely large and dense population, coupled with the high amount of industry taking place, Ohio is subject to air pollution issues, that it sees reflected in the PM2.5 readings recorded across its various cities. Although of note is that the state still has a large amount of manufacturing and automobile production occurring, with these sectors being among the most salient throughout the United States. It has a long and prevalent history of being an influential state with a strong industrial presence, and this continues until today, although its economy has taken a shift more towards certain sectors such as information technology and the service industry. ![]() It is bordered by other states such as Pennsylvania, West Virginia, Kentucky and Indiana, and is historically referred to as the ‘Buckeye State’, due to the prevalence of buckeye trees found growing throughout Ohio. Ohio is a state located in the midwestern region of the United States, being home to over 11.7 million inhabitants, making it the seventh most populous state in the country. ![]()
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