1. Air Quality Research Center, The University of California, Davis, CA, USA
2. Department of Geography and Environmental Resources, California State University Stanislaus, Turlock, CA, USA
3. Department of Earth, Environmental and Resource Sciences, University of Texas, El Paso, TX, USA
4. UCLA Institute of the Environment and Sustainability, Los Angeles, CA, USA
5. The Urban Wildlands Group, Los Angeles, CA, USA