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Washington Whole or Part County Nonattainment Status by Year Since 1978 for all Criteria Pollutants

As of July 02, 2014
Listed by State, County, Pollutant (W=Whole County,P=Partial County designated nonattainment as of report date)
Select a State:  
AK | AL | AR | AZ | CA | CO | CT | DC | DE | FL | GA | GU | HI | IA | ID | IL | IN | KS | KY | LA | MA | MD | ME | MI | MN | MO |
MS | MT |NC | ND | NE | NH | NJ | NM | NV | NY | OH | OK | OR | PA | PR | RI | SC | TN | TX | UT | VA | VT | WA | WI | WV | WY |

Important Notes

WASHINGTON
County Pollutant 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
Clark County 1-Hr Ozone (1979) P P P P P P P P P P P P P P P P P P P
Clark County Carbon Monoxide (1971) P P P P P P P
King County 1-Hr Ozone (1979) P P P P P P P P P P P P P P
King County Carbon Monoxide (1971) P P P P P P P P P P P P P P P P P P P
King County PM-10 (1987) P P P P P P P P P P P
Pierce Co PM-2.5 (2006) P P P P P P
Pierce County 1-Hr Ozone (1979) P P P P P P P P P W W W W W
Pierce County Carbon Monoxide (1971) P P P P P P P P P P P P P P P P P P P
Pierce County PM-10 (1987) P P P P P P P P P P P
Pierce County Sulfur Dioxide (1971) P P
Snohomish County 1-Hr Ozone (1979) P P P P P P P P P P P P P P
Snohomish County Carbon Monoxide (1971) P P P P P P P P P P P P P P P P P P P
Spokane County Carbon Monoxide (1971) P P P P P P P P P P P P P P P P P P P P P P P P P P P
Spokane County PM-10 (1987) P P P P P P P P P P P P P P P
Thurston County PM-10 (1987) P P P P P P P P P P
Walla Walla County PM-10 (1987) P P P P P P P P P P P P P P P
Yakima County Carbon Monoxide (1971) P P P P P P P P P P P P P P P P P P P P P P P P
Yakima County PM-10 (1987) P P P P P P P P P P P P P P P


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