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Environ Sci Technol

Title:		The Role of Temperature and NO(x) in Ozone Trends in the Los Angeles Basin
Author(s):		Nussbaumer CM; Cohen RC;
Address:		"Department of Chemistry, University of California Berkeley, Berkeley, California 94720-1460, United States"
Journal Title:		Environ Sci Technol
Year:		2020
Volume:		20201204
Issue:		24
Page Number:		15652 - 15659
DOI:		10.1021/acs.est.0c04910
ISSN/ISBN:		1520-5851 (Electronic) 0013-936X (Linking)
Abstract:		"Ozone, a major contributor to poor air quality, has an array of adverse effects on human, animal, and plant health. In the Los Angeles basin, a megacity that has pursued cleaner air for decades, unhealthy levels of ozone have decreased but remain stubbornly frequent even as the ozone precursors NO(x) (nitrogen oxides identical with NO(2) + NO) and VOC (volatile organic compounds) have decreased. We describe a combined analysis of decadal trends in these precursors, differences in emissions with day-of-week, and of the impact of temperature to assess the role of VOC and NO(x) and the likely effects of additional emission reductions on the occurrence of high ozone in the region"
Keywords:		*Air Pollutants/analysis *Air Pollution/analysis/prevention & control Environmental Monitoring Humans Los Angeles Nitrogen Oxides/analysis *Ozone/analysis Temperature;
Notes:		"MedlineNussbaumer, Clara M Cohen, Ronald C eng Research Support, U.S. Gov't, Non-P.H.S. 2020/12/05 Environ Sci Technol. 2020 Dec 15; 54(24):15652-15659. doi: 10.1021/acs.est.0c04910. Epub 2020 Dec 4"