Pollutant Concentrations for March 23, 2017, 12:00 pm EDT

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Air Pollutant 1-Hour Concentrations For March 23, 2017, 12:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
41
Cornwall graph for O3
3
Cornwall graph for PM2.5
3
Cornwall graph for NO2
   
39
Ottawa Downtown graph for O3
5
Ottawa Downtown graph for PM2.5
4
Ottawa Downtown graph for NO2
1
Ottawa Downtown graph for SO2
.18
Ottawa Downtown graph for CO
39
Ottawa Central graph for O3
6
Ottawa Central graph for PM2.5
3
Ottawa Central graph for NO2
   
38
Kingston graph for O3
5
Kingston graph for PM2.5
3
Kingston graph for NO2
   
41
Belleville graph for O3
3
Belleville graph for PM2.5
2
Belleville graph for NO2
   
41
Petawawa graph for O3
2
Petawawa graph for PM2.5
     
42
Peterborough graph for O3
3
Peterborough graph for PM2.5
2
Peterborough graph for NO2
   
37
Oshawa graph for O3
4
Oshawa graph for PM2.5
8
Oshawa graph for NO2
   
N/A
Dorset graph for O3
1
Dorset graph for PM2.5
     
36
St. Catharines graph for O3
7
St. Catharines graph for PM2.5
7
St. Catharines graph for NO2
   
36
Toronto East graph for O3
7
Toronto East graph for PM2.5
7
Toronto East graph for NO2
   
N/A
Toronto Downtown graph for O3
N/A
Toronto Downtown graph for PM2.5
N/A
Toronto Downtown graph for NO2
   
39
North Bay graph for O3
5
North Bay graph for PM2.5
4
North Bay graph for NO2
   
22
Toronto North graph for O3
7
Toronto North graph for PM2.5
24
Toronto North graph for NO2
1
Toronto North graph for SO2
 
39
Newmarket  graph for O3
3
Newmarket  graph for PM2.5
4
Newmarket  graph for NO2
   
31
Toronto West graph for O3
7
Toronto West graph for PM2.5
12
Toronto West graph for NO2
1
Toronto West graph for SO2
.22
Toronto West graph for CO
32
Mississauga graph for O3
5
Mississauga graph for PM2.5
13
Mississauga graph for NO2
   
35
Oakville  graph for O3
5
Oakville  graph for PM2.5
9
Oakville  graph for NO2
   
40
Barrie graph for O3
2
Barrie graph for PM2.5
3
Barrie graph for NO2
   
35
Brampton graph for O3
3
Brampton graph for PM2.5
7
Brampton graph for NO2
   
38
Burlington graph for O3
5
Burlington graph for PM2.5
8
Burlington graph for NO2
   
26
Hamilton Downtown graph for O3
9
Hamilton Downtown graph for PM2.5
24
Hamilton Downtown graph for NO2
24
Hamilton Downtown graph for SO2
.39
Hamilton Downtown graph for CO
39
Hamilton Mountain graph for O3
4
Hamilton Mountain graph for PM2.5
5
Hamilton Mountain graph for NO2
2
Hamilton Mountain graph for SO2
 
N/A
Hamilton West graph for O3
N/A
Hamilton West graph for PM2.5
N/A
Hamilton West graph for NO2
   
44
Parry Sound graph for O3
2
Parry Sound graph for PM2.5
1
Parry Sound graph for NO2
   
N/A
Guelph graph for O3
N/A
Guelph graph for PM2.5
N/A
Guelph graph for NO2
   
41
Brantford graph for O3
2
Brantford graph for PM2.5
2
Brantford graph for NO2
   
37
Kitchener graph for O3
4
Kitchener graph for PM2.5
7
Kitchener graph for NO2
   
36
Sudbury graph for O3
4
Sudbury graph for PM2.5
7
Sudbury graph for NO2
3
Sudbury graph for SO2
 
43
Port Stanley graph for O3
4
Port Stanley graph for PM2.5
1
Port Stanley graph for NO2
   
39
London graph for O3
4
London graph for PM2.5
3
London graph for NO2
   
37
Tiverton graph for O3
7
Tiverton graph for PM2.5
4
Tiverton graph for NO2
   
36
Grand Bend graph for O3
5
Grand Bend graph for PM2.5
3
Grand Bend graph for NO2
   
41
Chatham graph for O3
4
Chatham graph for PM2.5
3
Chatham graph for NO2
   
38
Sarnia graph for O3
3
Sarnia graph for PM2.5
4
Sarnia graph for NO2
1
Sarnia graph for SO2
 
44
Windsor Downtown graph for O3
3
Windsor Downtown graph for PM2.5
5
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.17
Windsor Downtown graph for CO
45
Windsor West graph for O3
3
Windsor West graph for PM2.5
2
Windsor West graph for NO2
0
Windsor West graph for SO2
 
34
Sault Ste Marie graph for O3
6
Sault Ste Marie graph for PM2.5
3
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
41
Thunder Bay graph for O3
8
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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