This review analyzes the effects of reactive halogens on ozone and secondary pollutants in polluted regions, suggesting improvements for air quality models.
Key Points
This research aims to review the role of reactive halogens in altering atmospheric chemistry and impacting air quality in polluted areas.
Conducted atmospheric observations in polluted environments in China.
Reviewed emission sources and chemical transformations of halogen radicals.
Analyzed impacts on ozone levels and secondary aerosols.
Detected photolabile halogen gases like ClNO2 and dihalogens in various environments.
Showed significant impacts of Cl2-derived halogen radicals on VOC oxidation and ozone concentration.
Identified key anthropogenic sources of chlorine and bromine.
Highlighted inadequacies in chemical transport models regarding daytime halogen activation.