Ozone O
3
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Barrie
Belleville
Brantford
Burlington
Brampton
Chatham
Cornwall
Dorset
Grand Bend
Guelph
Hamilton Downtown
Hamilton West
Hamilton Mountain
Kingston
Kitchener
London
Milton
Mississauga
Newmarket
North Bay
Oakville
Ottawa Downtown
Oshawa
Parry Sound
Petawawa
Peterborough
Port Stanley
Sarnia
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St. Catharines
Sudbury
Thunder Bay
Tiverton
Toronto Downtown
Toronto East
Toronto North
Toronto West
Windsor Downtown
Windsor West
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
22
23
24
25
26
27
28
29
30
Month
January
February
March
April
May
June
July
August
September
October
November
December
Year
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Show as Table
North Bay: Hourly Ozone Readings
From Jun-23-2019 EDT to Jun-25-2019 EDT.
Jun-23-2019 EDT
Jun-24-2019 EDT
Jun-25-2019 EDT
