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§ 52.926 Attainment dates for national standards.
The following table presents the latest dates by which the national standards are to be attained. The dates reflect the information presented in Kentucky's plan, except where noted.
| Air quality control region | Pollutant | ||||||
|---|---|---|---|---|---|---|---|
| Particulate matter | Sulfur oxides | Nitrogen dioxide | Carbon monoxide | Ozone | |||
| Primary | Secondary | Primary | Secondary | ||||
| Appalachian Intrastate: | |||||||
| a. Bell County | g | h | b | b | b | b | b |
| b. Perry County | g | h | b | b | b | b | b |
| c. Whitley County | g | h | b | b | b | b | b |
| d. Rest of AQCR | c | c | b | b | b | b | b |
| Bluegrass Intrastate: | |||||||
| a. Fayette County | a | c | b | b | b | b | g |
| b. Madison County | g | h | b | b | b | b | b |
| c. Rest of AQCR | a | c | b | b | b | b | b |
| Evansville (Indiana)-Ownsboro-Henderson (Kentucky) Interstate: | |||||||
| a. Daviess County | g | i | g | g | b | b | b |
| b. Henderson County | g | i | a | e | b | b | g |
| c. Webster County | c | c | g | g | b | b | b |
| d. Rest of AQCR | c | c | a | e | b | b | b |
| Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate: | |||||||
| a. Boyd County | g | i | g | b | b | b | g |
| b. Lawrence County | g | h | b | b | b | b | b |
| c. Rest of AQCR | c | c | b | b | b | b | b |
| Louisville Interstate | g | i | j | j | b | h | h |
| Metropolitan Cincinnati Interstate: | |||||||
| a. Boone County | c | c | a | d | b | d | h |
| b. Campbell County | g | h | a | d | b | d | h |
| c. Kenton County | c | c | a | d | b | d | h |
| d. Rest of AQCR | c | c | a | d | b | d | c |
| North Central Kentucky Intrastate: | |||||||
| a. Bullitt County | g | h | b | b | b | b | b |
| b. Rest of AQCR | a | c | b | b | b | b | b |
| Paducah (Kentucky) Cairo (Illinois) Interstate: | |||||||
| a. McCracken County | g | h | g | f | b | b | b |
| b. Marshall County | c | g | a | f | b | b | b |
| c. Muhlenberg County | g | h | g | g | b | b | b |
| d. Rest of AQCR | c | c | a | f | b | b | b |
| South Central Kentucky Intrastate | b | b | b | b | b | b | b |