Subchapter C. Air Quality Area Classifications
- Part 260 Albany County
- Part 261 Allegany County
- Part 262 Broome County
- Part 263 Cattaraugus County
- Part 264 Cayuga County
- Part 265 Chautauqua County
- Part 266 Chemung County
- Part 267 Chenango County
- Part 268 Clinton County
- Part 269 Columbia County
- Part 270 Cortland County
- Part 271 Delaware County
- Part 272 Dutchess County
- Part 273 Erie County
- Part 274 Essex County
- Part 275 Franklin County
- Part 276 Fulton County
- Part 277 Genesee County
- Part 278 Greene County
- Part 279 Hamilton County
- Part 280 Herkimer County
- Part 281 Jefferson County
- Part 282 Lewis County
- Part 283 Livingston County
- Part 284 Madison County
- Part 285 Monroe County
- Part 286 Montgomery County
- Part 287 Nassau County
- Part 288 New York City
- Part 289 Niagara County
- Part 290 Oneida County
- Part 291 Onondaga County
- Part 292 Ontario County
- Part 293 Orange County
- Part 294 Orleans County
- Part 295 Oswego County
- Part 296 Otsego County
- Part 297 Putnam County
- Part 298 Rensselaer County
- Part 299 Rockland County
- Part 300 St. Lawrence County
- Part 301 Saratoga County
- Part 302 Schenectady County
- Part 303 Schoharie County
- Part 304 Schuyler County
- Part 305 Seneca County
- Part 306 Steuben County
- Part 307 Suffolk County
- Part 308 Sullivan County
- Part 309 Tioga County
- Part 310 Tompkins County
- Part 311 Ulster County
- Part 312 Warren County
- Part 313 Washington County
- Part 314 Wayne County
- Part 315 Westchester County
- Part 316 Wyoming County
- Part 317 Yates County