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Pollutants
Select Pollutant
Ozone (O3)
Fine Particulate Matter (PM2.5)
Nitrogen Dioxide (NO2)
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Day
1
2
3
4
5
6
7
8
9
10
11
12
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14
15
16
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20
21
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Month
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Year
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2011
2012
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2015
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2019
2020
2021
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2023
2024
Chart
Table
Thunder Bay: Hourly Fine Particulate Matter Readings
From May-6-2024 EDT to May-8-2024 EDT.
May-6-2024 EDT
May-7-2024 EDT
May-8-2024 EDT
