| FIPS | # of People | Distance From Monitor | County Name | Average PM2.5 | St. Dev. PM2.5 | % Days Exceeding Avg. PM2.5 by 10 | Average Coarse PM | St. Dev. Coarse PM | % Days Exceeding Avg. Coarse PM by 10 | Total # of Days with Measurements | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 01089 | 48106 | 6.50 | Madison, AL | 14.50 | 7.00 | 9.00 | 6.50 | 4.70 | 3.00 | 410.00 |
| 2 | 01097 | 57419 | 8.40 | Mobile, AL | 13.30 | 7.20 | 8.00 | 6.80 | 13.50 | 5.00 | 386.00 |
| 3 | 04013 | 348284 | 15.30 | Maricopa, AZ | 11.10 | 6.40 | 9.00 | 28.90 | 17.40 | 20.00 | 409.00 |
| 4 | 04019 | 119687 | 14.40 | Pima, AZ | 6.70 | 3.10 | 1.00 | 24.50 | 14.80 | 15.00 | 1597.00 |
| 5 | 05119 | 62597 | 6.40 | Pulaski, AR | 14.30 | 7.00 | 9.00 | 9.90 | 6.30 | 6.00 | 312.00 |
| 6 | 06001 | 120664 | 16.90 | Alameda, CA | 11.80 | 9.40 | 11.00 | 10.00 | 5.50 | 4.00 | 422.00 |
| 7 | 06013 | 91265 | 9.30 | Contra Costa, CA | 13.00 | 11.30 | 15.00 | 7.50 | 4.60 | 3.00 | 400.00 |
| 8 | 06019 | 88492 | 10.00 | Fresno, CA | 20.00 | 18.20 | 19.00 | 18.80 | 14.30 | 19.00 | 480.00 |
| 9 | 06029 | 62092 | 29.50 | Kern, CA | 16.20 | 16.60 | 17.00 | 22.60 | 15.00 | 23.00 | 638.00 |
| 10 | 06037 | 807208 | 17.60 | Los Angeles, CA | 18.90 | 11.10 | 14.00 | 17.50 | 7.80 | 9.00 | 482.00 |
| 11 | 06065 | 166928 | 28.50 | Riverside, CA | 20.40 | 14.10 | 19.00 | 34.70 | 25.40 | 22.00 | 772.00 |
| 12 | 06067 | 108020 | 7.80 | Sacramento, CA | 12.50 | 11.40 | 13.00 | 10.90 | 9.00 | 9.00 | 469.00 |
| 13 | 06071 | 120065 | 25.80 | San Bernardino, CA | 17.20 | 11.20 | 14.00 | 24.90 | 13.20 | 19.00 | 450.00 |
| 14 | 06073 | 260020 | 14.80 | San Diego, CA | 14.20 | 8.00 | 10.00 | 15.20 | 8.40 | 6.00 | 472.00 |
| 15 | 06075 | 97627 | 3.00 | San Francisco, CA | 13.00 | 10.70 | 13.00 | 12.00 | 7.10 | 9.00 | 393.00 |
| 16 | 06077 | 66768 | 8.50 | San Joaquin, CA | 15.10 | 12.80 | 15.00 | 16.40 | 11.60 | 12.00 | 420.00 |
| 17 | 06081 | 80033 | 10.30 | San Mateo, CA | 11.30 | 8.70 | 10.00 | 10.50 | 6.10 | 4.00 | 388.00 |
| 18 | 06085 | 142004 | 7.90 | Santa Clara, CA | 14.40 | 11.80 | 15.00 | 12.10 | 6.70 | 6.00 | 445.00 |
| 19 | 06099 | 43629 | 6.80 | Stanislaus, CA | 17.10 | 16.00 | 17.00 | 15.40 | 11.90 | 14.00 | 546.00 |
| 20 | 08001 | 26875 | 6.80 | Adams, CO | 11.10 | 5.50 | 4.00 | 27.60 | 17.40 | 23.00 | 842.00 |
| 21 | 08031 | 54775 | 3.70 | Denver, CO | 10.10 | 5.50 | 5.00 | 20.90 | 12.00 | 17.00 | 636.00 |
| 22 | 09001 | 147580 | 12.20 | Fairfield, CT | 12.80 | 8.40 | 12.00 | 3.90 | 3.90 | 1.00 | 416.00 |
| 23 | 09009 | 151317 | 9.30 | New Haven, CT | 12.60 | 8.40 | 11.00 | 17.10 | 14.80 | 19.00 | 1727.00 |
| 24 | 11001 | 87286 | 4.30 | District of Columbia, DC | 15.20 | 8.40 | 12.00 | 13.50 | 12.00 | 15.00 | 220.00 |
| 25 | 12011 | 206669 | 8.50 | Broward, FL | 8.40 | 4.30 | 2.00 | 7.60 | 4.00 | 3.00 | 398.00 |
| 26 | 12033 | 57864 | 7.50 | Escambia, FL | 12.20 | 6.30 | 7.00 | 6.90 | 4.50 | 2.00 | 400.00 |
| 27 | 12057 | 144110 | 11.00 | Hillsborough, FL | 11.50 | 5.10 | 4.00 | 10.40 | 5.80 | 5.00 | 235.00 |
| 28 | 12086 | 255769 | 13.20 | Miami-Dade, FL | 8.60 | 4.20 | 2.00 | 14.60 | 6.50 | 8.00 | 400.00 |
| 29 | 12095 | 127759 | 7.50 | Orange, FL | 10.40 | 5.10 | 4.00 | 9.00 | 4.60 | 3.00 | 422.00 |
| 30 | 12099 | 261992 | 14.60 | Palm Beach, FL | 7.90 | 3.90 | 2.00 | 13.90 | 7.90 | 8.00 | 381.00 |
| 31 | 12103 | 215321 | 9.90 | Pinellas, FL | 10.40 | 5.20 | 4.00 | 9.10 | 4.80 | 3.00 | 384.00 |
| 32 | 13089 | 74197 | 7.90 | DeKalb, GA | 16.90 | 8.20 | 11.00 | 4.90 | 11.40 | 11.00 | 335.00 |
| 33 | 13121 | 94660 | 9.10 | Fulton, GA | 17.10 | 8.50 | 11.00 | 9.50 | 10.40 | 8.00 | 414.00 |
| 34 | 16001 | 40068 | 4.20 | Ada, ID | 9.10 | 8.20 | 10.00 | 13.60 | 10.00 | 14.00 | 390.00 |
| 35 | 17031 | 770854 | 13.70 | Cook, IL | 15.90 | 8.60 | 12.00 | 13.50 | 11.80 | 16.00 | 784.00 |
| 36 | 17119 | 44760 | 9.60 | Madison, IL | 15.90 | 7.50 | 10.00 | 19.70 | 14.90 | 21.00 | 761.00 |
| 37 | 17163 | 39885 | 10.40 | St. Clair, IL | 15.90 | 8.00 | 9.00 | 16.00 | 12.10 | 14.00 | 356.00 |
| 38 | 17197 | 67650 | 9.00 | Will, IL | 14.00 | 7.80 | 11.00 | 8.30 | 10.50 | 13.00 | 326.00 |
| 39 | 18003 | 54849 | 5.00 | Allen, IN | 14.30 | 8.00 | 14.00 | 5.20 | 5.40 | 5.00 | 339.00 |
| 40 | 18097 | 134986 | 7.40 | Marion, IN | 16.40 | 8.30 | 11.00 | 5.10 | 4.60 | 3.00 | 423.00 |
| 41 | 18141 | 51881 | 4.60 | St. Joseph, IN | 13.80 | 8.00 | 11.00 | 6.60 | 9.40 | 9.00 | 358.00 |
| 42 | 21067 | 39565 | 3.70 | Fayette, KY | 15.50 | 7.40 | 10.00 | 6.60 | 6.10 | 5.00 | 602.00 |
| 43 | 21111 | 127726 | 8.00 | Jefferson, KY | 16.40 | 8.40 | 12.00 | 10.60 | 7.80 | 8.00 | 250.00 |
| 44 | 22017 | 48348 | 6.70 | Caddo, LA | 12.60 | 6.20 | 7.00 | 9.10 | 6.20 | 5.00 | 406.00 |
| 45 | 22033 | 51540 | 6.00 | E. Baton Rouge, LA | 13.30 | 6.20 | 7.00 | 11.50 | 7.70 | 7.00 | 242.00 |
| 46 | 22071 | 55366 | 4.30 | Orleans, LA | 13.70 | 6.10 | 7.00 | 9.70 | 6.00 | 4.00 | 396.00 |
| 47 | 23005 | 53137 | 9.80 | Cumberland, ME | 10.50 | 6.60 | 8.00 | 14.00 | 11.90 | 14.00 | 392.00 |
| 48 | 24510 | 114834 | 4.60 | Baltimore (city), MD | 15.90 | 9.00 | 13.00 | 9.60 | 8.60 | 10.00 | 391.00 |
| 49 | 25013 | 74784 | 5.90 | Hampden, MA | 13.00 | 7.70 | 11.00 | 10.60 | 9.40 | 11.00 | 294.00 |
| 50 | 25025 | 93435 | 3.80 | Suffolk, MA | 13.50 | 7.00 | 9.00 | 11.90 | 8.40 | 10.00 | 388.00 |
| 51 | 25027 | 85948 | 12.00 | Worcester, MA | 11.50 | 7.20 | 10.00 | 7.70 | 8.80 | 10.00 | 263.00 |
| 52 | 26049 | 75242 | 6.90 | Genesee, MI | 12.30 | 8.00 | 13.00 | 7.00 | 7.90 | 9.00 | 355.00 |
| 53 | 26081 | 88379 | 7.20 | Kent, MI | 13.50 | 8.70 | 13.00 | 2.90 | 7.20 | 5.00 | 394.00 |
| 54 | 26163 | 330861 | 8.70 | Wayne, MI | 15.60 | 9.40 | 14.00 | 14.30 | 11.90 | 15.00 | 468.00 |
| 55 | 27053 | 129917 | 7.40 | Hennepin, MN | 10.40 | 6.80 | 8.00 | 12.30 | 8.80 | 11.00 | 460.00 |
| 56 | 27123 | 75841 | 6.40 | Ramsey, MN | 11.20 | 7.10 | 9.00 | 17.20 | 11.00 | 17.00 | 569.00 |
| 57 | 27137 | 43476 | 29.10 | St. Louis, MN | 6.80 | 4.70 | 5.00 | 8.30 | 7.30 | 8.00 | 321.00 |
| 58 | 29095 | 97039 | 10.00 | Jackson, MO | 12.60 | 6.40 | 7.00 | 15.20 | 11.20 | 18.00 | 377.00 |
| 59 | 29510 | 48900 | 4.00 | St. Louis (city), MO | 15.00 | 7.60 | 10.00 | 13.40 | 9.00 | 8.00 | 369.00 |
| 60 | 32003 | 169804 | 10.00 | Clark, NV | 8.30 | 5.00 | 4.00 | 26.30 | 17.00 | 18.00 | 2411.00 |
| 61 | 32031 | 51945 | 11.70 | Washoe, NV | 7.30 | 6.30 | 6.00 | 19.50 | 11.00 | 11.00 | 408.00 |
| 62 | 33011 | 59742 | 10.60 | Hillsborough, NH | 10.10 | 6.90 | 9.00 | 6.60 | 6.90 | 5.00 | 350.00 |
| 63 | 33015 | 46663 | 18.40 | Rockingham, NH | 9.80 | 6.40 | 8.00 | 6.30 | 5.70 | 4.00 | 272.00 |
| 64 | 34007 | 80404 | 6.80 | Camden, NJ | 14.10 | 8.90 | 12.00 | 9.70 | 7.80 | 11.00 | 361.00 |
| 65 | 34017 | 81390 | 3.50 | Hudson, NJ | 15.60 | 9.30 | 13.00 | 13.60 | 9.70 | 12.00 | 362.00 |
| 66 | 34039 | 94146 | 5.40 | Union, NJ | 13.80 | 8.90 | 12.00 | 16.10 | 13.30 | 15.00 | 222.00 |
| 67 | 35001 | 64329 | 5.10 | Bernalillo, NM | 7.10 | 3.60 | 2.00 | 14.90 | 12.40 | 10.00 | 384.00 |
| 68 | 36047 | 287787 | 6.30 | Kings, NY | 15.00 | 8.80 | 12.00 | 4.60 | 6.20 | 4.00 | 222.00 |
| 69 | 36063 | 37463 | 9.60 | Niagara, NY | 12.50 | 7.70 | 11.00 | 4.90 | 6.20 | 4.00 | 272.00 |
| 70 | 36085 | 50268 | 2.80 | Richmond, NY | 13.20 | 8.20 | 11.00 | 3.40 | 4.30 | 2.00 | 262.00 |
| 71 | 37063 | 32625 | 3.80 | Durham, NC | 14.40 | 7.00 | 9.00 | 7.00 | 4.40 | 2.00 | 377.00 |
| 72 | 37081 | 68901 | 7.10 | Guilford, NC | 15.40 | 7.30 | 10.00 | 5.30 | 5.00 | 3.00 | 405.00 |
| 73 | 37119 | 95171 | 8.00 | Mecklenburg, NC | 15.30 | 7.20 | 9.00 | 9.10 | 5.00 | 3.00 | 356.00 |
| 74 | 37183 | 80287 | 9.40 | Wake, NC | 14.00 | 7.00 | 9.00 | 6.60 | 4.30 | 2.00 | 253.00 |
| 75 | 39017 | 47978 | 11.00 | Butler, OH | 16.00 | 8.20 | 12.00 | 7.30 | 7.10 | 9.00 | 352.00 |
| 76 | 39035 | 235452 | 7.50 | Cuyahoga, OH | 16.80 | 9.70 | 15.00 | 17.20 | 11.50 | 15.00 | 2108.00 |
| 77 | 39049 | 136036 | 6.40 | Franklin, OH | 16.40 | 8.70 | 11.00 | 15.70 | 14.30 | 15.00 | 358.00 |
| 78 | 39061 | 138265 | 6.50 | Hamilton, OH | 16.70 | 8.30 | 12.00 | 8.80 | 6.00 | 6.00 | 471.00 |
| 79 | 39085 | 41843 | 7.70 | Lake, OH | 12.60 | 8.20 | 11.00 | 5.50 | 4.20 | 2.00 | 391.00 |
| 80 | 39093 | 48227 | 6.80 | Lorain, OH | 14.40 | 8.10 | 11.00 | 9.20 | 8.20 | 6.00 | 355.00 |
| 81 | 39099 | 52027 | 6.10 | Mahoning, OH | 15.30 | 8.20 | 11.00 | 8.00 | 4.80 | 3.00 | 398.00 |
| 82 | 39151 | 72660 | 7.40 | Stark, OH | 16.80 | 8.50 | 11.00 | 4.70 | 6.30 | 4.00 | 522.00 |
| 83 | 39155 | 40899 | 6.50 | Trumbull, OH | 15.30 | 8.30 | 11.00 | 4.80 | 4.30 | 2.00 | 392.00 |
| 84 | 40109 | 111153 | 7.50 | Oklahoma, OK | 10.30 | 5.60 | 6.00 | 12.90 | 7.90 | 10.00 | 348.00 |
| 85 | 40143 | 86703 | 6.30 | Tulsa, OK | 11.80 | 6.10 | 7.00 | 14.70 | 17.80 | 13.00 | 349.00 |
| 86 | 41039 | 43067 | 25.10 | Lane, OR | 8.30 | 8.70 | 11.00 | 4.70 | 5.00 | 4.00 | 1208.00 |
| 87 | 41051 | 59211 | 5.00 | Multnomah, OR | 8.80 | 5.90 | 6.00 | 5.70 | 3.70 | 2.00 | 728.00 |
| 88 | 42003 | 199779 | 6.90 | Allegheny, PA | 15.10 | 10.40 | 15.00 | 6.60 | 6.10 | 7.00 | 1828.00 |
| 89 | 42101 | 186141 | 5.40 | Philadelphia, PA | 14.40 | 8.70 | 13.00 | 9.40 | 7.70 | 7.00 | 321.00 |
| 90 | 44007 | 79729 | 5.40 | Providence, RI | 12.00 | 6.80 | 9.00 | 9.80 | 7.00 | 6.00 | 408.00 |
| 91 | 45079 | 48008 | 5.30 | Richland, SC | 14.10 | 6.50 | 8.00 | 7.60 | 4.60 | 3.00 | 416.00 |
| 92 | 47037 | 83474 | 6.60 | Davidson, TN | 14.40 | 6.90 | 9.00 | 8.70 | 7.10 | 8.00 | 254.00 |
| 93 | 47093 | 67192 | 6.60 | Knox, TN | 16.30 | 8.20 | 11.00 | 8.40 | 5.30 | 4.00 | 407.00 |
| 94 | 48061 | 49145 | 10.70 | Cameron, TX | 10.60 | 5.00 | 3.00 | 10.30 | 8.00 | 9.00 | 303.00 |
| 95 | 48113 | 253346 | 9.60 | Dallas, TX | 12.70 | 6.10 | 6.00 | 13.10 | 6.80 | 6.00 | 401.00 |
| 96 | 48141 | 96274 | 6.40 | El Paso, TX | 9.60 | 5.60 | 5.00 | 28.00 | 27.30 | 17.00 | 1003.00 |
| 97 | 48201 | 359773 | 13.80 | Harris, TX | 12.50 | 5.80 | 5.00 | 21.00 | 16.00 | 21.00 | 705.00 |
| 98 | 48355 | 43192 | 8.90 | Nueces, TX | 10.00 | 4.90 | 4.00 | 17.10 | 10.00 | 13.00 | 315.00 |
| 99 | 49035 | 103778 | 6.70 | Salt Lake, UT | 11.70 | 11.70 | 11.00 | 18.10 | 13.80 | 14.00 | 2346.00 |
| 100 | 51710 | 34917 | 4.00 | Norfolk (city), VA | 13.30 | 7.20 | 9.00 | 5.50 | 3.60 | 1.00 | 367.00 |
| 101 | 53011 | 34024 | 5.60 | Clark, WA | 9.40 | 7.90 | 9.00 | 5.70 | 4.20 | 1.00 | 342.00 |
| 102 | 53033 | 206422 | 10.10 | King, WA | 8.80 | 5.80 | 6.00 | 9.10 | 5.00 | 5.00 | 302.00 |
| 103 | 53053 | 92301 | 8.30 | Pierce, WA | 11.00 | 8.70 | 12.00 | 9.60 | 7.90 | 7.00 | 240.00 |
| 104 | 53063 | 74793 | 9.40 | Spokane, WA | 9.70 | 6.90 | 9.00 | 17.80 | 16.40 | 17.00 | 1632.00 |
| 105 | 53067 | 28361 | 6.30 | Thurston, WA | 9.50 | 8.40 | 11.00 | 5.10 | 3.20 | 0.00 | 292.00 |
| 106 | 54039 | 46707 | 6.80 | Kanawha, WV | 16.40 | 8.20 | 12.00 | 6.30 | 6.30 | 5.00 | 345.00 |
| 107 | 55079 | 159776 | 6.10 | Milwaukee, WI | 13.30 | 8.30 | 12.00 | 8.30 | 6.60 | 7.00 | 412.00 |
| 108 | 55133 | 69148 | 7.20 | Waukesha, WI | 13.10 | 8.00 | 12.00 | 11.00 | 9.10 | 12.00 | 400.00 |