Pollutant Concentrations for September 25, 2017, 1:00 am EDT

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Air Pollutant 1-Hour Concentrations For September 25, 2017, 1:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
27
Cornwall graph for O3
15
Cornwall graph for PM2.5
5
Cornwall graph for NO2
   
12
Ottawa Downtown graph for O3
12
Ottawa Downtown graph for PM2.5
12
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.29
Ottawa Downtown graph for CO
12
Ottawa Central graph for O3
13
Ottawa Central graph for PM2.5
8
Ottawa Central graph for NO2
   
58
Kingston graph for O3
17
Kingston graph for PM2.5
1
Kingston graph for NO2
   
28
Belleville graph for O3
18
Belleville graph for PM2.5
7
Belleville graph for NO2
   
6
Petawawa graph for O3
9
Petawawa graph for PM2.5
     
31
Peterborough graph for O3
10
Peterborough graph for PM2.5
4
Peterborough graph for NO2
   
19
Oshawa graph for O3
21
Oshawa graph for PM2.5
8
Oshawa graph for NO2
   
6
Dorset graph for O3
13
Dorset graph for PM2.5
     
10
St. Catharines graph for O3
17
St. Catharines graph for PM2.5
14
St. Catharines graph for NO2
   
14
Toronto East graph for O3
19
Toronto East graph for PM2.5
30
Toronto East graph for NO2
   
35
Toronto Downtown graph for O3
20
Toronto Downtown graph for PM2.5
15
Toronto Downtown graph for NO2
   
4
North Bay graph for O3
14
North Bay graph for PM2.5
9
North Bay graph for NO2
   
18
Toronto North graph for O3
18
Toronto North graph for PM2.5
21
Toronto North graph for NO2
0
Toronto North graph for SO2
 
13
Newmarket  graph for O3
17
Newmarket  graph for PM2.5
12
Newmarket  graph for NO2
   
9
Toronto West graph for O3
20
Toronto West graph for PM2.5
43
Toronto West graph for NO2
0
Toronto West graph for SO2
.56
Toronto West graph for CO
10
Mississauga graph for O3
18
Mississauga graph for PM2.5
16
Mississauga graph for NO2
   
35
Oakville  graph for O3
18
Oakville  graph for PM2.5
6
Oakville  graph for NO2
   
16
Barrie graph for O3
15
Barrie graph for PM2.5
11
Barrie graph for NO2
   
38
Brampton graph for O3
17
Brampton graph for PM2.5
6
Brampton graph for NO2
   
23
Burlington graph for O3
11
Burlington graph for PM2.5
17
Burlington graph for NO2
   
23
Hamilton Downtown graph for O3
19
Hamilton Downtown graph for PM2.5
22
Hamilton Downtown graph for NO2
2
Hamilton Downtown graph for SO2
.33
Hamilton Downtown graph for CO
42
Hamilton Mountain graph for O3
12
Hamilton Mountain graph for PM2.5
8
Hamilton Mountain graph for NO2
1
Hamilton Mountain graph for SO2
 
6
Hamilton West graph for O3
17
Hamilton West graph for PM2.5
26
Hamilton West graph for NO2
   
6
Parry Sound graph for O3
12
Parry Sound graph for PM2.5
7
Parry Sound graph for NO2
   
9
Guelph graph for O3
19
Guelph graph for PM2.5
12
Guelph graph for NO2
   
17
Brantford graph for O3
14
Brantford graph for PM2.5
4
Brantford graph for NO2
   
26
Kitchener graph for O3
18
Kitchener graph for PM2.5
6
Kitchener graph for NO2
   
16
Sudbury graph for O3
19
Sudbury graph for PM2.5
9
Sudbury graph for NO2
0
Sudbury graph for SO2
 
27
Port Stanley graph for O3
12
Port Stanley graph for PM2.5
3
Port Stanley graph for NO2
   
11
London graph for O3
13
London graph for PM2.5
7
London graph for NO2
   
29
Tiverton graph for O3
11
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
22
Grand Bend graph for O3
11
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
47
Chatham graph for O3
14
Chatham graph for PM2.5
4
Chatham graph for NO2
   
19
Sarnia graph for O3
15
Sarnia graph for PM2.5
14
Sarnia graph for NO2
0
Sarnia graph for SO2
 
47
Windsor Downtown graph for O3
12
Windsor Downtown graph for PM2.5
5
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.19
Windsor Downtown graph for CO
39
Windsor West graph for O3
13
Windsor West graph for PM2.5
8
Windsor West graph for NO2
0
Windsor West graph for SO2
 
31
Sault Ste Marie graph for O3
12
Sault Ste Marie graph for PM2.5
2
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
15
Thunder Bay graph for O3
10
Thunder Bay graph for PM2.5
9
Thunder Bay graph for NO2
   

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Note: 
Ontario 1-hour AAQC for O3 = 80 ppb
Ontario 1-hour AAQC for NO2 = 200 ppb
Ontario 1-hour AAQC for SO2 = 250 ppb
Ontario 1-hour AAQC for CO = 30 ppm

Note: The pollutant concentrations on this web page are based on automatically
polled data and have not undergone final verification.

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