SECTION 1. Section 142B of chapter 111 of the General Laws, as appearing in the 2020 Official Edition, is hereby amended by adding the following paragraph:-

Subject to appropriation, the department shall administer a Logan Airport air quality monitoring program within the territory and waters in the sections of cities and towns within a two-mile radius of Logan Airport, which shall include: the East Boston, Charlestown, North End, Downtown, Chinatown, and South Boston sections of the City of Boston; the city of Chelsea; the city of Revere; and the town of Winthrop. The department shall, in its annual air monitoring network plan, which it prepares in accordance with Title 40 CFR Part 58.10, monitor and report for ultrafine particulate matter less than 100 nanometers in diameter at each location at which the pilot program is to be administered where the department monitors for particulate matter 2.5 micrometers and smaller in diameter, in addition to its other monitoring at those locations. The department shall make publicly available for download on its website the monitoring conducted and reporting data and information collected in accordance with this section.

SECTION 2. This act shall take effect January 5, 2023.