40 C.F.R. § 58.50

Current through September 30, 2024
Section 58.50 - Index reporting
(a) The State or where applicable, local agency shall report to the general public on a daily basis through prominent notice an air quality index that complies with the requirements of appendix G to this part.
(b) Reporting is required for all individual MSA with a population exceeding 350,000.
(c) The population of a metropolitan statistical area for purposes of index reporting is the latest available U.S. census population.

40 C.F.R. §58.50

71 FR 61302, Oct. 17, 2006, as amended at 80 FR 65466, Oct. 26, 2015