As temperatures rise in Tucson, so do concerns over health risks linked to higher ozone levels reported on the correlation between rising temperatures and higher ozone levels in Arizona and interviewed ACOM scientist Gabi Pfister on her 2014 study on expected changes in air quality in the U.S. by mid-century due to climate change. This study suggested that the number of high-ozone days could increase nationally as a result of increased temperatures, higher biogenic emissions, more frequent stagnation events and an increase in background ozone.


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Tucson, Arizona, with the Santa Catalina Mountains in the background. Wikimedia Commons: