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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
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15
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19
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2007
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2015
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2017
2018
2019
2020
2021
2022
2023
2024
Chart
Table
Thunder Bay: Hourly Ozone Readings
From Sep-12-2019 EDT to Sep-14-2019 EDT.
Sep-12-2019 EDT
Sep-13-2019 EDT
Sep-14-2019 EDT
