weather conditions-namely, cool air inversions-that can trap air pollution in the lower atmosphere, causing air pollution to accumulate to high levels.increased electricity consumption as a result of darker, colder evenings. ![]() winter wood-burning for domestic heating and ambiance.In the winter, Cleveland’s elevated PM2.5 levels are attributable to: In 2020, Cleveland’s most polluted months for were: When is Cleveland air pollution the highest?Ĭleveland tends to experience periods of elevated PM2.5 air pollution in both the summer and winter. factories and power plants that use fossil fuels like coal and gas for energy.diesel-powered commercial trucks and trains.the use of motor vehicles by over 385,000 residents.Other prominent emission sources include: 4 Tens of billions of dollars have been invested since 2010 to build the industry further, an investment that may further exacerbate Cleveland’s troubles in reaching federal attainment levels for air pollution. As a state, Ohio produces more than 4.2 billion cubic feet of natural gas per day (a sevenfold increase since 2014). Ohio’s oil and gas industry, however, remains problematic. Moreover, Cleveland has made pushes to diversify its industries toward other areas, such as biotechnology and information technology, while abandoning many of its polluting energy plants. 3 However, the city has tightened emission limits on these industries, reducing air pollution levels by nearly 75% since monitoring began in 1990. Today, advanced manufacturing, metal production and fabrication, and automotive facilities remain prominent industries, contributing to city-wide emissions. 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.
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