EESA10H3 Lecture : Clear and Detailed, Lec 2
8 Jul 2011
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Outdoor air quality: 6 common air pollutants: quality of air is judged based upon these pollutants. They are measured everyday so we can calculate air quality. Ozone: ozone is made up of 3 oxygen molecules. It can be pollutant if above ground level, but can also have great affect on ozone layer in the stratosphere. It will protect us from uv radiation: good ozone is in stratosphere while bad ozone is the one at ground level, ozone is formed during summertime. Volatile organic compounds that evaporate at room temp, they react with n oxides, with affect of heat and sunlight, they produce ozone. T: this happens during summer time b/c higher heat and sun. Also effected by time of day b/c in the morning there is less heat and sunshine, but during afternoon more ozone produced due to higher temp and sunlight.
