Arkansas Whole or Part County Nonattainment Status by Year Since 1992 for all Criteria PollutantsAs of September 22, 2016
The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.
Listed by State, County, NAAQS (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 | IA | ID | IL | IN | KS | KY | LA | MA | MD | ME | MI | MN | |
MO | MS | MT | NC | NE | NH | NJ | NM | NV | NY | OH | OR | PA | PR | RI | SC | TN | TX | UT | VA | WA | WI | WV | WY |
|Crittenden Co||8-Hour Ozone (1997)-NAAQS revoked||W||W||W||W||W||W|
|Crittenden Co||8-Hour Ozone (2008)||W||W||W||W|