; or (iii) are poor air quality areas, including areas identified by the Administrator as— (I) in nonattainment or maintenance of national ambient air quality standards for particulate matter under section 109 of the Clean Air Act ( 42 U.S.C. 7409 ); or (II) class I areas under section 162(a) of that Act ( 42 U.S.C. 7472(a) ). (3) Unobligated funds Any funds that are not obligated by a State, regional agency, or Indian tribe by a date determined by the Administrator in a fiscal year shall be reallocated pursuant to the priorities described in paragraph (2). (4) State, regional agency, and tribal matching incentive (A) In general Subject to subparagraph (B), if a State, regional agency, or Indian tribe agrees to match the allocation provided to the State, regional agency, or Indian tribe under paragraph (1) for a fiscal year, the Administrator shall provide to the State, regional agency, or Indian tribe for the fiscal year a matching incentive consisting of an additional amount equal to 30 percent of the allocation of the State, regional agency, or Indian tribe under paragraph (1). (B) Requirement To receive a matching incentive under subparagraph (A), a State, regional agency, or Indian tribe— (i) may not use funds received under this section to pay a matching share required under this subsection; and (ii) shall not be required to provide a matching share for any additional amount received under that subparagraph. (d) Administration (1) In general Subject to paragraphs (2) and (3), States, regional agencies, and Indian tribes shall use any funds provided under this section— (A) to develop and implement such programs in the State or in areas under the jurisdiction of the regional agency or Indian tribe as are appropriate to meet the needs and goals of the State, regional agency, or Indian tribe