1. Short title This Act may be cited as the Smoke and Heat Ready Communities Act of 2023 . 2. Definitions In this Act: (1) Administrator The term Administrator means Administrator of the Environmental Protection Agency. (2) Extreme heat The term extreme heat has the meaning given the term through a rulemaking of the Administrator, in consultation with the heads of relevant Federal agencies. (3) Indian Tribe The term Indian Tribe has the meaning given the term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). (4) Native Hawaiian organization The term Native Hawaiian organization has the meaning given the term in section 6207 of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 7517 ). 3. Smoke and extreme heat-ready communities Part A of title I of the Clean Air Act ( 42 U.S.C. 7401 et seq. ) is amended by adding at the end the following: 139. Smoke and extreme heat-ready communities (a) Definition of extreme heat The term extreme heat has the meaning given the term in section 2 of the Smoke and Heat Ready Communities Act of 2023 . (b) Establishment Subject to the availability of appropriations, the Administrator may make grants under this section to air pollution control agencies to support air pollution control agencies in developing and implementing programs that support local communities in detecting, preparing for, communicating with the public about, or mitigating the environmental and public health aspects of wildfire smoke and extreme heat. (c) Eligible activities In carrying out a program described in subsection (b), an air pollution control agency may use funds from a grant received under this section for— (1) activities related to the monitoring of, the interpretation of, and communicating with the public about past, present, and future data related to ambient air quality conditions that are caused by wildfire smoke and extreme heat