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Kansas Nonattainment/Maintenance Status for Each County by Year for All Criteria Pollutants
Data is current as of January 31, 2025Listed by County, NAAQS, Area. The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.
* The 1997 Primary Annual PM-2.5 NAAQS (level of 15 µg/m3) is revoked in attainment and maintenance areas for that NAAQS. For additional information see the PM-2.5 NAAQS SIP Requirements Final Rule, effective October 24, 2016. (81 FR 58009) Important Notes Download National Dataset: dbf | xls | Data dictionary (PDF)
County | NAAQS | Area Name | Nonattainment in Year | Redesignation to Maintenance |
Classification | Whole or/ Part County |
Population (2010) |
State/ County FIPS Codes | ||||||||||||||||||||||||||||||||||
KANSAS | ||||||||||||||||||||||||||||||||||||||||||
Johnson County | 1-Hour Ozone (1979)-NAAQS revoked | Kansas City, MO-KS |
| 07/23/1992 | Other | Whole | 544,179 | 20/091 | ||||||||||||||||||||||||||||||||||
Saline County | Lead (2008) | Saline County, KS |
| / / | Part | 9 | 20/169 | |||||||||||||||||||||||||||||||||||
Wyandotte County | 1-Hour Ozone (1979)-NAAQS revoked | Kansas City, MO-KS |
| 07/23/1992 | Other | Whole | 157,505 | 20/209 |
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