Governor General's Medal, Trent University, 1970
Woodrow Wilson Fellowship, 1970
National Research Council of Canada Science Scholarship in 1970 and a Postgraduate Scholarship in 1974 (were not used since both could be applied only in Canada)
Outstanding Young Women of America, 1979
Meritorious Performance and Professional Promise Awards (1984, 1986 and 1988) at California State University, Fullerton
Honorary Member into the Golden Key National Honor Society
Distinguished Faculty Member/Faculty Marshal, School of Natural Science and Mathematics, California State University, Fullerton, 1990
Alumni Lecturer, Trent University, Peterborough, Canada, 1990-91
J. Diefenderfer Award for Outstanding Contributions to Students, California State University, Fullerton, 1991
State of California Governor's Employee Safety Award, 1991
Fellow of the American Association for the Advancement of Science, 1993
Japan Society for the Promotion of Science Fellowship, 1994
UCI School of Physical Sciences Award for Outstanding Contribut ions to Undergraduate Education, 1996-1997
Orange County ACS Service Through Chemistry Award, 1999
UCI Graduate Voice Faculty Mentor Award, 2000
Fellow of the American Geophysical Union, 2002
American Chemical Society Award for Creative Advances in Environmental Science and Technology, 2004
American Academy of Arts & Sciences, 2006
National Academy of Sciences, 2006
UCI Distinguished Professor, 2006
ACS Tolman Medal, 2008
Coalition for Clean Air's Carl Moyer Award for Scientific Leadership and Technical Excellence for body of work in restoring clean air to California, 2009
Elected a Fellow of the Royal Society of Chemistry, 2013
Haagen-Smit Clean Air Award, California Air Resources Board, 2013
Honorary Lifetime Member, Iota Sigma Pi, 2016
Francis P. Garvan–John M. Olin Medal of the American Chemical Society, 2017
Distinguished Faculty Award for Research, University of California Irvine, 2017-2018
Polanyi Medal, Royal Society of Chemistry, 2018
Environment Prize, Royal Society of Chemistry, 2019
California 74th Assembly District's Woman of the Year, 2021
UCI Lauds & Laurels Award for Outstanding Faculty Achievement, 2023
Honorary Doctorate of Science from McGill University in Toronto, Canada, 2023