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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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23
24
25
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28
29
30
31
Month
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December
Year
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Chart
Table
Thunder Bay: Hourly Ozone Readings
From Dec-2-2023 EST to Dec-4-2023 EST.
Dec-2-2023 EST
Dec-3-2023 EST
Dec-4-2023 EST
