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Despite a significant reduction in smog-producing toxins, the Greater Toronto Area still violates Canada's standards for ozone air pollution
Date:8/21/2014

Because temperature and sunlight regulates the length of time it takes for smog to form, smog can occur more quickly and be more severe on a hot, sunny day.

"We are able to show that high ozone in 2012 was due to the relatively high number of sunny days that allowed ozone to be produced quickly, and low winds, that allowed the pollution to accumulate locally," said Murphy.

The team obtained the data from federal and provincial government monitoring sites throughout the GTA between 2000 and 2012. Their study, entitled "The impacts of precursor reduction and meteorology on ground-level ozone in the Greater Toronto Area," was published in Atmospheric Chemistry and Physics on August 15, 2014. Other members of the U of T research team are Stephanie C. Pugliese, Jeffrey A. Geddes and Jonathan M. Wang.


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Contact: Kim Luke
kim.luke@utoronto.ca
416-978-4352
University of Toronto
Source:Eurekalert

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