Pollutant Concentrations for April 28, 2017, 9:00 pm EDT

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Air Pollutant 1-Hour Concentrations For April 28, 2017, 9:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
43
Cornwall graph for O3
2
Cornwall graph for PM2.5
3
Cornwall graph for NO2
   
41
Ottawa Downtown graph for O3
4
Ottawa Downtown graph for PM2.5
6
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.2
Ottawa Downtown graph for CO
41
Ottawa Central graph for O3
5
Ottawa Central graph for PM2.5
3
Ottawa Central graph for NO2
   
42
Kingston graph for O3
5
Kingston graph for PM2.5
2
Kingston graph for NO2
   
45
Belleville graph for O3
6
Belleville graph for PM2.5
3
Belleville graph for NO2
   
48
Petawawa graph for O3
10
Petawawa graph for PM2.5
     
42
Peterborough graph for O3
13
Peterborough graph for PM2.5
6
Peterborough graph for NO2
   
44
Oshawa graph for O3
3
Oshawa graph for PM2.5
6
Oshawa graph for NO2
   
38
Dorset graph for O3
5
Dorset graph for PM2.5
     
35
St. Catharines graph for O3
N/A
St. Catharines graph for PM2.5
5
St. Catharines graph for NO2
   
37
Toronto East graph for O3
16
Toronto East graph for PM2.5
12
Toronto East graph for NO2
   
39
Toronto Downtown graph for O3
8
Toronto Downtown graph for PM2.5
11
Toronto Downtown graph for NO2
   
41
North Bay graph for O3
7
North Bay graph for PM2.5
2
North Bay graph for NO2
   
40
Toronto North graph for O3
6
Toronto North graph for PM2.5
9
Toronto North graph for NO2
0
Toronto North graph for SO2
 
45
Newmarket  graph for O3
2
Newmarket  graph for PM2.5
4
Newmarket  graph for NO2
   
42
Toronto West graph for O3
4
Toronto West graph for PM2.5
8
Toronto West graph for NO2
0
Toronto West graph for SO2
.2
Toronto West graph for CO
42
Mississauga graph for O3
4
Mississauga graph for PM2.5
7
Mississauga graph for NO2
   
38
Oakville  graph for O3
5
Oakville  graph for PM2.5
9
Oakville  graph for NO2
   
41
Barrie graph for O3
9
Barrie graph for PM2.5
5
Barrie graph for NO2
   
42
Brampton graph for O3
7
Brampton graph for PM2.5
5
Brampton graph for NO2
   
36
Burlington graph for O3
5
Burlington graph for PM2.5
11
Burlington graph for NO2
   
38
Hamilton Downtown graph for O3
9
Hamilton Downtown graph for PM2.5
8
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.21
Hamilton Downtown graph for CO
40
Hamilton Mountain graph for O3
5
Hamilton Mountain graph for PM2.5
5
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
39
Hamilton West graph for O3
7
Hamilton West graph for PM2.5
6
Hamilton West graph for NO2
   
47
Parry Sound graph for O3
8
Parry Sound graph for PM2.5
2
Parry Sound graph for NO2
   
42
Guelph graph for O3
6
Guelph graph for PM2.5
4
Guelph graph for NO2
   
40
Brantford graph for O3
6
Brantford graph for PM2.5
3
Brantford graph for NO2
   
N/A
Kitchener graph for O3
N/A
Kitchener graph for PM2.5
N/A
Kitchener graph for NO2
   
33
Sudbury graph for O3
8
Sudbury graph for PM2.5
3
Sudbury graph for NO2
1
Sudbury graph for SO2
 
33
Port Stanley graph for O3
12
Port Stanley graph for PM2.5
4
Port Stanley graph for NO2
   
38
London graph for O3
6
London graph for PM2.5
4
London graph for NO2
   
44
Tiverton graph for O3
7
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
38
Grand Bend graph for O3
3
Grand Bend graph for PM2.5
3
Grand Bend graph for NO2
   
33
Chatham graph for O3
8
Chatham graph for PM2.5
5
Chatham graph for NO2
   
35
Sarnia graph for O3
10
Sarnia graph for PM2.5
7
Sarnia graph for NO2
1
Sarnia graph for SO2
 
28
Windsor Downtown graph for O3
3
Windsor Downtown graph for PM2.5
7
Windsor Downtown graph for NO2
1
Windsor Downtown graph for SO2
.16
Windsor Downtown graph for CO
30
Windsor West graph for O3
9
Windsor West graph for PM2.5
4
Windsor West graph for NO2
0
Windsor West graph for SO2
 
43
Sault Ste Marie graph for O3
2
Sault Ste Marie graph for PM2.5
3
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
46
Thunder Bay graph for O3
2
Thunder Bay graph for PM2.5
4
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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