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Pollutants
Select Pollutant
Ozone (O3)
Fine Particulate Matter (PM2.5)
Nitrogen Dioxide (NO2)
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Sulphur Dioxide (SO2)
Day
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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18
19
20
21
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2007
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2011
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2013
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2015
2016
2017
2018
2019
2020
2021
2022
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2024
Chart
Table
Sarnia: Hourly Ozone Readings
From Jul-7-2020 EDT to Jul-9-2020 EDT.
Jul-7-2020 EDT
Jul-8-2020 EDT
Jul-9-2020 EDT
