Guest editors: L. Russell, L. T. Molina and L. Marr

1. Meteorological Overview and plume transport patterns during Cal-Mex 2010
   N. Bei, G. Li, M. Zavala, H. Barrera, R. Torres, M. Grutter, W. Gutiérrez, M. García, L. G. Ruiz-Suarez, A. Ortinez, Y. Guitierrez, C. Alvarado, I. Flores, L. T. Molina
   Atmos. Environ., 70, 477-489, 2013·
2. Sources and transport of black carbon at the California-Mexico border
   C. A. Shores, M. E. Klapmeyer, M. E. Quadros, L. C. Marr
   Atmos. Environ., 70, 490-497, 2013
   Submicron organic aerosol in Tijuana, Mexico, from local and Southern California sources during the CalMex campaign
   S. Takahama, A. Johnson, J. Guzman Morales, L.M. Russell, R. Duran, G. Rodriguez, J. Zheng, R. Zhang, D. Toom-Sauntry, W.R. Leaitch
   Atmos. Environ., 70, 500-512, 2013·
3. Measurements of formaldehyde at the U.S-Mexico border during the Cal-Mex 2010 air quality study
   J. Zheng, R. Zhang, J. P. Garzón, M. E. Huertas, M. Levy, Y. Ma, R. Torres-Jardón, L. G. Ruiz-Suárez, L. Russell, S. Takahama, H. Tan, G. Li, L.T. Molina
   Atmos. Environ., 70, 513-520, 2013·
4. Volatile organic compounds in Tijuana during the Cal-Mex 2010 campaign: Measurements and source apportionment
   J. Zheng, J. P. Garzón, M. E. Huertas, R. Zhang, M. Levy, Y. Ma, J. I. Huertas, R. T. Jardón, L. G. Ruíz, H. Tan, L. T. Molina
   Atmos. Environ., 70, 521-531, 2013·
5. NO2 fluxes from Tjuana using a mobile mini-DOAS during Cal-Mex 2010
   C. Rivera, H. Barrera, M. Grutter, M. Zavala, B. Galle, N. Bei, G. Li, L. T. Molina
   Atmos. Environ., 70, 532-539, 2013·