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Air Pollution in Ohio Counties - National Rankings

Many Ohio counties rank high on lists for carbon monoxide (2 counties), airborne particulate matter (18 counties), ozone (8), nitrogen dioxide (1), sulfur oxides (15), and lead air pollution (6). For example, as many as eighteen Ohio counties were listed among the top 101 counties in the US for highest Particulate Matter (PM2.5) in 2005 (ppm)

City-Data.com has scoured environmental data from the Environmental Protection Agency (EPA) to generate lists of the top 101 City, County and Zip Code lists for various indicators. We present lists of the Ohio Counties that appear on the lists of highest air pollution measures.

For additional resources on air quality, including real time air quality index measures and information on ozone, particulates and UV radiation, go to the US Government AirNow website.

Information on particulate pollution from the EPA can be found by clicking here.

Note: ug/m3 is read as "micrograms per cubic meter"; ppm, is read as "parts per million".

Top 101 counties with the highest carbon monoxide air pollution readings in 2005 (ppm)

Jefferson County, AL: #1 (9 ug/m3)
Cuyahoga County, OH: #48 (3 ug/m3)
Stark County, OH: #90  (3 ug/m3)

Top 101 counties with the lowest carbon monoxide air pollution readings in 2005 (ppm)

Schoolcraft County, MI: #1 (0 ug/ml)
Lake County, OH: #39 (1 ug/m3)

Top 101 counties with the highest lead air pollution readings in 2005 (µg/m3)

St. Bernard Parish, LA: #1 (0.82 ug/m3)
Fulton County, OH: #3 (0.45 ug/m3)
Logan County, OH: #5 (0.23 ug/m3)
Butler County, OH: #29 (0.03 ug/m3)
Columbiana County, OH: #38 (0.02 ug/m3)
Washington County, OH: #60 (0.01 ug/m3)
Logan County, OH: #5 (0.23 ug/m3)


Top 101 counties with the highest Nitrogen Dioxide air pollution readings in 2005 (ppm)

New York County, NY: #1 (0.04 ppm)
Cuyahoga County, OH: #24 (0.02 ppm)


Top 101 counties with the highest Ozone (1-hour) air pollution readings in 2005 (ppm)

Los Angeles County, CA: #1 (0.171 ppm)
Lake County, OH: #19 (0.129 ppm)
Lucas County, OH: #71 (0.115 ppm)

Top 101 counties with the highest Ozone (8-hour) air pollution readings in 2005 (ppm)

San Bernadino County, CA: #1 (0.130 ppm)
Lake County, OH: #18 (0.097 ppm)
Ashtabula County, OH: #40 (0.093 ppm)
Franklin County, OH: #53 (0.092 ppm)
Warren County, OH: #54 (0.092 ppm)
Portage County, OH: #57 (0.092 ppm)
Medina County, OH: #81 (0.090 ppm)
Hamilton County, OH: #88 (0.089 ppm)
Summit County, OH: #97 (0.089 ppm)


Top 101 counties with the highest Particulate Matter (PM10) Annual air pollution readings in 2005 (µg/m3)

Maricopa County, AZ: #1 (74 ug/m3)
Cuyahoga County, OH: #24 (41 ug/m3)
Franklin County, OH: #40 (35 ug/m3)
Columbiana County, OH: #41 (35 ug/m3)
Jefferson County, OH: #49 (34 ug/m3)
Scioto County, OH: #55 (32 ug/m3)
Montgomery County, OH: #90 (28 ug/m3)
Hamilton County, OH: #96 (27 ug/m3)

Top 101 counties with the highest Particulate Matter (PM10) 24-hour air pollution readings in 2005 (µg/m3)

Inyo County, CA: #1 (3538 ug/m3)
Scioto County, OH: #19 (152 ug/m3)
Cuyahoga County, OH: #45 (115 ug/m3)
Franklin County, OH: #42 (85 ug/m3)

Top 101 counties with the highest Particulate Matter (PM2.5) Annual air pollution readings in 2005 (µg/m3)

Allegheny County, PA: #1 (21.4 ug/m3)
Hamilton County, OH: #3 (20.0 ug/m3)
Cuyahoga County, OH: #6 (19.4 ug/m3)
Stark County, OH: #10 (18.6 ug/m3)
Jefferson County, OH: #17 (18.1 ug/m3)
Butler County, OH: #18 (17.9 ug/m3)
Montgomery County, OH: #24 (17.4 ug/m3)
Lawrence County, OH: #30 (17.0 ug/m3)
Mahoning County, OH: #33 (16.9 ug/m3)
Clark County, OH: #45 (16.7 ug/m3)
Franklin County, OH: #50  (16.5 ug/m3)
Summit County, OH: #53  (16.4 ug/m3)
Trumbull County, OH: #54  (16.4 ug/m3)
Lorain County, OH: #56  (16.4 ug/m3)
Scioto County, OH: #60  (16.2 ug/m3)
Lucas County, OH: #82  (15.8 ug/m3)
Clermont County, OH: #89  (15.7 ug/m3)
Preble County, OH: #99  (15.6 ug/m3)
Greene County, OH: #101  (15.5 ug/m3)


Top 101 counties with the highest Particulate Matter (PM2.5) 24-hour air pollution readings in 2005 (µg/m3)

Kings County, CH: #1  (75 ug/m3)
Cuyahoga County, OH: #19  (51 ug/m3)
Hamilton County, OH: #20  (51 ug/m3)
Summit County, OH: #35  (45 ug/m3)
Franklin County, OH: #36  (45 ug/m3)
Trumbull County, OH: #38  (45 ug/m3)
Butler County, OH: #41  (45 ug/m3)
Montgomery County, OH: #42  (45 ug/m3)
Lucas County, OH: #44  (45 ug/m3)
Jefferson County, OH: #47  (44 ug/m3)
Lake County, OH: #51  (44 ug/m3)
Mahoning County, OH: #62  (43 ug/m3)
Stark County, OH: #63  (43 ug/m3)
Portage County, OH: #73  (42 ug/m3)
Clark County, OH: #74  (42 ug/m3)


Top 101 counties with the highest Sulfur Oxides Annual air pollution readings in 2005 (µg/m3)

Warren County, PA: #1  (0.015 ug/m3)
Jefferson County, OH: #7  (0.012 ug/m3)
Lake County, OH: #12  (0.010 ug/m3)
Cuyahoga County, OH: #22  (0.008 ug/m3)
Morgan County, OH: #25  (0.008 ug/m3)
Belmont County, OH: #26  (0.008 ug/m3)
Summit County, OH: #29  (0.008 ug/m3)
Tuscawaras County, OH: #31  (0.008 ug/m3)
Butler County, OH: #54  (0.006 ug/m3)
Columbiana County, OH: #67  (0.006 ug/m3)
Mahoning County, OH: #71  (0.006 ug/m3)
Gallia County, OH: #79  (0.006 ug/m3)
Lucas County, OH: #84  (0.006 ug/m3)
Clermont County, OH: #94  (0.005 ug/m3)
Adams County, OH: #96  (0.005 ug/m3)
Hamilton County, OH: #97  (0.005 ug/m3)


Top 101 counties with the highest Sulfur Oxides 24-hour air pollution readings in 2005 (µg/m3)

Blount County, TN: #1  (0.089 ug/m3)
Jefferson County, OH: #2  (0.077 ug/m3)
Cuyahoga County, OH: #26  (0.042 ug/m3)
Morgan County, OH: #42  (0.036 ug/m3)
Belmont County, OH: #44  (0.036 ug/m3)
Summit County, OH: #45  (0.036 ug/m3)
Columbiana County, OH: #48  (0.035 ug/m3)
Adams County, OH: #59  (0.032 ug/m3)
Meigs County, OH: #70  (0.029 ug/m3)
Tuscawaras County, OH: #72  (0.028 ug/m3)
Hamilton County, OH: #73  (0.028 ug/m3)
Franklin County, OH: #75  (0.028 ug/m3)
Gallia County, OH: #80  (0.027 ug/m3)
Butler County, OH: #86  (0.026 ug/m3)
Clark County, OH: #96  (0.024 ug/m3)
Lucas County, OH: #101  (0.023 ug/m3)

Posted by db last modified November 08, 2007

Keywords: Asthma, County, Environment, Lead Poisoning, Statistics

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