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Title 40 Part 58 → Subpart F

Title 40 → Chapter I → Subchapter C → Part 58 → Subpart F

Electronic Code of Federal Regulations e-CFR

Title 40 Part 58 → Subpart F

e-CFR data is current as of January 27, 2020

Title 40Chapter ISubchapter CPart 58 → Subpart F


Title 40: Protection of Environment
PART 58—AMBIENT AIR QUALITY SURVEILLANCE


Subpart F—Air Quality Index Reporting


Contents
§58.50   Index reporting.

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§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.

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

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