Sulphur Dioxide SO
2
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Pollutants
Select Pollutant
Ozone (O3)
Fine Particulate Matter (PM2.5)
Nitrogen Dioxide (NO2)
Carbon Monoxide (CO)
Sulphur Dioxide (SO2)
Day
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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29
30
31
Month
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December
Year
2007
2008
2009
2010
2011
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2013
2014
2015
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2017
2018
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2020
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Ottawa Downtown: Hourly Sulphur Dioxide Readings
From Aug-1-2020 EDT to Aug-3-2020 EDT.
Aug-1-2020 EDT
Aug-2-2020 EDT
Aug-3-2020 EDT
