Checked
Air Toxics Cancer Risk in Oklahoma
EPA AirToxScreen, 2020 emissions
- Average cancer risk
- 30 in a million
- 2020 emissions (latest EPA release)
- Population
- 3,959,353
- Counties
- 77
- Highest county
- Adair
- 30 in a million
By county
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| County | Total risk | Industrial point sources | Vehicles | Population |
|---|---|---|---|---|
| Adair | 30 in a million | 0.064 in a million | 0.38 in a million | 19,495 |
| Alfalfa | 30 in a million | 0.5 in a million | 0.076 in a million | 5,699 |
| Atoka | 30 in a million | 0.26 in a million | 0.32 in a million | 14,143 |
| Beaver | 20 in a million | 0.33 in a million | 0.12 in a million | 5,049 |
| Beckham | 20 in a million | 0.32 in a million | 0.43 in a million | 22,410 |
| Blaine | 30 in a million | 0.67 in a million | 0.16 in a million | 8,735 |
| Bryan | 30 in a million | 0.15 in a million | 0.37 in a million | 46,067 |
| Caddo | 30 in a million | 0.48 in a million | 0.36 in a million | 26,945 |
| Canadian | 30 in a million | 0.64 in a million | 0.85 in a million | 154,405 |
| Carter | 30 in a million | 3.4 in a million | 0.44 in a million | 48,003 |
| Cherokee | 30 in a million | 0.12 in a million | 0.62 in a million | 47,078 |
| Choctaw | 30 in a million | 0.18 in a million | 0.42 in a million | 14,204 |
| Cimarron | 20 in a million | 0.027 in a million | 0.27 in a million | 2,296 |
| Cleveland | 30 in a million | 0.44 in a million | 1.2 in a million | 295,528 |
| Coal | 30 in a million | 0.78 in a million | 0.19 in a million | 5,266 |
| Comanche | 30 in a million | 0.65 in a million | 0.58 in a million | 121,125 |
| Cotton | 20 in a million | 0.41 in a million | 0.27 in a million | 5,527 |
| Craig | 30 in a million | 0.086 in a million | 0.48 in a million | 14,107 |
| Creek | 30 in a million | 0.69 in a million | 0.8 in a million | 71,754 |
| Custer | 20 in a million | 0.45 in a million | 0.52 in a million | 28,513 |
| Delaware | 30 in a million | 0.055 in a million | 0.38 in a million | 40,397 |
| Dewey | 20 in a million | 0.42 in a million | 0.12 in a million | 4,484 |
| Ellis | 20 in a million | 0.19 in a million | 0.083 in a million | 3,749 |
| Garfield | 30 in a million | 0.53 in a million | 0.5 in a million | 62,846 |
| Garvin | 30 in a million | 0.97 in a million | 0.36 in a million | 25,656 |
| Grady | 30 in a million | 0.94 in a million | 0.52 in a million | 54,795 |
| Grant | 30 in a million | 0.44 in a million | 0.19 in a million | 4,169 |
| Greer | 20 in a million | 0.058 in a million | 0.25 in a million | 5,491 |
| Harmon | 20 in a million | 0.027 in a million | 0.2 in a million | 2,488 |
| Harper | 20 in a million | 0.2 in a million | 0.16 in a million | 3,272 |
| Haskell | 30 in a million | 0.41 in a million | 0.27 in a million | 11,561 |
| Hughes | 30 in a million | 0.8 in a million | 0.26 in a million | 13,367 |
| Jackson | 20 in a million | Less than 0.01 in a million | 0.31 in a million | 24,785 |
| Jefferson | 30 in a million | 0.37 in a million | 0.23 in a million | 5,337 |
| Johnston | 30 in a million | 0.72 in a million | 0.23 in a million | 10,272 |
| Kay | 30 in a million | 2.1 in a million | 0.43 in a million | 43,700 |
| Kingfisher | 30 in a million | 1 in a million | 0.24 in a million | 15,184 |
| Kiowa | 20 in a million | 0.14 in a million | 0.25 in a million | 8,509 |
| Latimer | 30 in a million | 0.51 in a million | 0.23 in a million | 9,444 |
| Le Flore | 30 in a million | 0.27 in a million | 0.39 in a million | 48,129 |
| Lincoln | 30 in a million | 0.59 in a million | 0.46 in a million | 33,458 |
| Logan | 30 in a million | 0.57 in a million | 0.65 in a million | 49,555 |
| Love | 30 in a million | 1.4 in a million | 0.39 in a million | 10,146 |
| Major | 20 in a million | 0.52 in a million | 0.1 in a million | 7,782 |
| Marshall | 30 in a million | 1.3 in a million | 0.28 in a million | 15,312 |
| Mayes | 30 in a million | 0.22 in a million | 0.49 in a million | 39,046 |
| McClain | 30 in a million | 0.65 in a million | 0.62 in a million | 41,662 |
| McCurtain | 30 in a million | 0.43 in a million | 0.3 in a million | 30,814 |
| McIntosh | 30 in a million | 0.32 in a million | 0.38 in a million | 18,941 |
| Murray | 30 in a million | 1.2 in a million | 0.28 in a million | 13,904 |
| Muskogee | 30 in a million | 0.34 in a million | 0.65 in a million | 66,339 |
| Noble | 30 in a million | 0.45 in a million | 0.26 in a million | 10,924 |
| Nowata | 30 in a million | 0.3 in a million | 0.38 in a million | 9,320 |
| Okfuskee | 30 in a million | 0.56 in a million | 0.43 in a million | 11,310 |
| Oklahoma | 30 in a million | 0.58 in a million | 1.3 in a million | 796,292 |
| Okmulgee | 30 in a million | 0.37 in a million | 0.58 in a million | 36,706 |
| Osage | 30 in a million | 0.59 in a million | 0.74 in a million | 45,818 |
| Ottawa | 30 in a million | 0.095 in a million | 0.62 in a million | 30,285 |
| Pawnee | 30 in a million | 0.49 in a million | 0.33 in a million | 15,553 |
| Payne | 30 in a million | 0.42 in a million | 0.6 in a million | 81,646 |
| Pittsburg | 30 in a million | 0.61 in a million | 0.34 in a million | 43,773 |
| Pontotoc | 30 in a million | 0.29 in a million | 0.43 in a million | 38,065 |
| Pottawatomie | 30 in a million | 0.35 in a million | 0.68 in a million | 72,454 |
| Pushmataha | 30 in a million | 0.21 in a million | 0.24 in a million | 10,812 |
| Roger Mills | 20 in a million | 0.35 in a million | 0.095 in a million | 3,442 |
| Rogers | 30 in a million | 0.38 in a million | 0.87 in a million | 95,240 |
| Seminole | 30 in a million | 0.49 in a million | 0.35 in a million | 23,556 |
| Sequoyah | 30 in a million | 0.21 in a million | 0.54 in a million | 39,281 |
| Stephens | 30 in a million | 0.53 in a million | 0.34 in a million | 42,848 |
| Texas | 20 in a million | 0.25 in a million | 0.25 in a million | 21,384 |
| Tillman | 20 in a million | 0.16 in a million | 0.19 in a million | 6,968 |
| Tulsa | 30 in a million | 0.68 in a million | 1.6 in a million | 669,279 |
| Wagoner | 30 in a million | 0.37 in a million | 0.85 in a million | 80,981 |
| Washington | 30 in a million | 1.1 in a million | 0.67 in a million | 52,455 |
| Washita | 20 in a million | 0.3 in a million | 0.24 in a million | 10,924 |
| Woods | 20 in a million | 0.4 in a million | 0.17 in a million | 8,624 |
| Woodward | 20 in a million | 0.18 in a million | 0.28 in a million | 20,470 |
Top pollutants in Oklahoma
Largest contributors to the modeled cancer risk
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| Pollutant | Cancer risk |
|---|---|
| Formaldehyde | 21.5 in a million |
| Carbon Tetrachloride | 2.9 in a million |
| Acetaldehyde | 1.8 in a million |
| Benzene | 1.2 in a million |
| Naphthalene | 1.1 in a million |
| PAH/POM (polycyclic organic matter) | 0.91 in a million |
| 1,3-Butadiene | 0.39 in a million |
| Ethylene Oxide | 0.36 in a million |
| Chromium VI (hexavalent) | 0.15 in a million |
| Ethylbenzene | 0.14 in a million |
| Arsenic compounds | 0.078 in a million |
| Benzo[a]pyrene | 0.041 in a million |
AirToxScreen is EPA's screening estimate of the added lifetime cancer risk from breathing outdoor air toxics, modeled for the year shown. A risk of 30 in a million means that, if 1 million people breathed this air for 70 years, about 30 more might get cancer than otherwise. The estimates are averages for the population of an area, not measurements, and they do not cover indoor air, diesel particulate matter or other exposures. EPA rounds the total risk to one or two significant figures; the source and pollutant numbers are unrounded, so they do not always add up to the total. EPA advises against using these results to compare places or to judge risk for one person.
Source: U.S. Environmental Protection Agency, AirToxScreen 2020 · Last updated 12/31/2020
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