![]() ![]() Its historic location along numerous transportation routes and near large coal and iron ore deposits has helped rapidly develop and sustain the city’s economy, but often at the cost of poor air quality. Situated on the southern side of Lake Erie, one of the five great lakes in North America, Cleveland has a long history as a prominent manufacturing hub for the Midwestern United States. While many cities in the United States have experienced major improvements in their local air quality since the initial implementation of the Clean Air Act in 1970, residents of Cleveland continue to be exposed to poor air quality deemed unsafe by the U.S. Other cities with significant air pollution in Ohio include: No other cities in Ohio breached the U.S. During 2020, Cleveland ranked as the most polluted city in the state of Ohio out of 28 cities. EPA standard set at < 12.0 µg/m³ (“good”) as well as the more stringent World Health Organization (WHO) standard of < 10.0 µg/m³. In 2020, Cleveland averaged a PM2.5 concentration of 12.4 µg/m³ (“moderate”), failing to meet the U.S. Cleveland ozone levels have steadily worsened since the 2013-2015 period, when the city almost reached attainment with a total of 3.5 unhealthy days during that period. metropolitan areasīetween the 2017-2019 three-year monitoring period, 18 days exceeded EPA daily ozone targets, a number far higher than the federal 3.2 day standard. #14 for annual particle pollution out of 199 U.S. ![]()
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