Sec. 6. Community air quality system monitoring
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Not later than 2 years after the date of enactment of this Act, the Administrator— shall deploy, in accordance with the prioritization criteria described in section 5(d)(2), not fewer than 1,000 air quality systems, each of which shall cost not more than $5,000; shall deploy those air quality systems in clusters of not fewer than 5 in each of the census tracts or counties selected; before determining and approving sites for those air quality systems, shall invite, through public notice and other means designed to reach communities disproportionately impacted by air pollution, proposals from or on behalf of residents of any community for the sites; may contract with nonprofit organizations (including academic institutions) and State and local air pollution control agencies to conduct air quality system monitoring and report the results; and shall make data from air quality systems installed pursuant to this section public on an easily accessible data platform.
In carrying out paragraph (1), the Administrator shall select systems for deployment that— are available on the market at the time of purchase; the Administrator determines will provide data of sufficient accuracy to provide a reasonable basis for determining whether the location in which the air quality system is sited is or may be at risk of exceeding 1 or more national ambient air quality standards established under section 109 of the Clean Air Act ( 42 U.S.C. 7409 ); and are the lowest cost available that meet the standards described in subparagraph (B).
Notwithstanding paragraph (1), if the Administrator determines in writing that a system to measure a particular pollutant is not available on the market at a price at or below $5,000 each, the Administrator may spend an amount above $5,000 to acquire that system so long as the Administrator complies with subparagraphs
(B)and
(C)of paragraph (2). Not fewer than 500 air quality systems deployed pursuant to subsection
(a)shall measure 1 or more of the following pollutants: Ozone. PM 2.5 . Oxides of nitrogen. Sulfur dioxide. All air quality systems deployed pursuant to subsection
(a)may include sensors to measure wind speed, wind direction, relative humidity, carbon dioxide and carbon monoxide, and other inputs that aid with source identification. The Administrator shall determine which air pollutant or air pollutants an air quality system deployed pursuant to subsection
(a)shall monitor based on the pollution sources affecting the area in which the air quality system is to be deployed. Not later than 18 months after the date on which an air quality system deployed pursuant to subsection
(a)has been monitoring air quality data for 1 year, the Administrator shall determine whether the air quality systems deployed in the applicable census tract or county reported air pollution levels over the 1-year period ending on the date of the determination that reached or exceeded 98 percent of the level of any applicable national ambient air quality standard established under section 109 of the Clean Air Act ( 42 U.S.C. 7409 ) for any air pollutant. If the Administrator makes a determination under paragraph
(1)that an air pollutant described in subsection (b)(1) met or exceeded the threshold described in that paragraph, the Administrator shall, not later 180 days after the date of the determination, ensure that Federal reference method monitors or Federal equivalent method monitors are installed and in operation within that census tract or county for each pollutant that met or exceeded the threshold. The Administrator shall waive the requirement of paragraph
(2)if the Administrator finds, within the 180-day period described in that paragraph, and after providing notice and an opportunity for public comment, that based on clear and convincing evidence— the measurements from the systems supporting the determination described in paragraph
(2)were so inaccurate as to provide no reasonable basis for finding that levels of the relevant pollutant reached 98 percent of the level of the national ambient air quality standard established under section 109 of the Clean Air Act ( 42 U.S.C. 7409 ) for the relevant pollutant; or complementary data, such as information on the ambient matric, meteorology, measurements from other nearby systems or ambient monitors, modeling, satellite data, or other relevant and reliable information, demonstrate that levels of the relevant pollutant could not have plausibly reached 98 percent of the level of that standard. Not later than 1 year after the date of enactment of this Act, and after public notice and a public comment period of not less than 60 days, the Administrator shall make publicly available online a report describing additional areas in which data from low-cost air quality systems may be relevant or useful for decisionmaking or for the purpose of increasing public access to information. There is authorized to be appropriated to carry out this section $6,000,000 for fiscal year 2026.
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Sec. 6
Community air quality system monitoring
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