Nitrogen Dioxide (1971) Designated Area Design Values

Data is current as of March 31, 2024
Design Values in ppb. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.

Display:       Nonattainment and Maintenance Areas       Nonattainment Areas       Maintenance Areas

Click underlined column heading to change report order	Current Design Values as of 05/04/2022 (2021)
Area Name	Design Values	Meets NAAQS Determin.1	Current Status	class sort	Current Classification or at Redesignation	2010 Population
click area name for state/county list					click for classif. history
Los Angeles-South Coast Air Basin, CA	30	Yes	Maintenance	A	Primary	15,799,134

¹ See the Air Quality Design Value site spreadsheet footnotes for information about "Insufficient Data" Meets NAAQS Determinations.
Design Values in ppb. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.

Multi-state areas are counted in maintenance totals when all states in the area have been redesignated.

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