Pollutant Concentrations for May 27, 2018, 5:00 pm EDT

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Air Pollutant 1-Hour Concentrations For May 27, 2018, 5:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
34
Cornwall graph for O3
2
Cornwall graph for PM2.5
3
Cornwall graph for NO2
   
36
Ottawa Downtown graph for O3
5
Ottawa Downtown graph for PM2.5
4
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.21
Ottawa Downtown graph for CO
41
Kingston graph for O3
9
Kingston graph for PM2.5
1
Kingston graph for NO2
   
55
Belleville graph for O3
11
Belleville graph for PM2.5
2
Belleville graph for NO2
   
38
Petawawa graph for O3
5
Petawawa graph for PM2.5
     
67
Peterborough graph for O3
10
Peterborough graph for PM2.5
3
Peterborough graph for NO2
   
57
Oshawa graph for O3
12
Oshawa graph for PM2.5
2
Oshawa graph for NO2
   
68
Dorset graph for O3
11
Dorset graph for PM2.5
     
62
St. Catharines graph for O3
9
St. Catharines graph for PM2.5
2
St. Catharines graph for NO2
   
56
Toronto East graph for O3
12
Toronto East graph for PM2.5
3
Toronto East graph for NO2
   
61
Toronto Downtown graph for O3
12
Toronto Downtown graph for PM2.5
8
Toronto Downtown graph for NO2
   
61
North Bay graph for O3
10
North Bay graph for PM2.5
2
North Bay graph for NO2
   
73
Toronto North graph for O3
13
Toronto North graph for PM2.5
3
Toronto North graph for NO2
0
Toronto North graph for SO2
 
70
Newmarket  graph for O3
9
Newmarket  graph for PM2.5
3
Newmarket  graph for NO2
   
54
Toronto West graph for O3
6
Toronto West graph for PM2.5
2
Toronto West graph for NO2
0
Toronto West graph for SO2
.22
Toronto West graph for CO
54
Mississauga graph for O3
11
Mississauga graph for PM2.5
3
Mississauga graph for NO2
   
60
Oakville  graph for O3
16
Oakville  graph for PM2.5
5
Oakville  graph for NO2
   
72
Barrie graph for O3
14
Barrie graph for PM2.5
3
Barrie graph for NO2
   
59
Brampton graph for O3
9
Brampton graph for PM2.5
4
Brampton graph for NO2
   
61
Burlington graph for O3
7
Burlington graph for PM2.5
5
Burlington graph for NO2
   
46
Hamilton Downtown graph for O3
26
Hamilton Downtown graph for PM2.5
25
Hamilton Downtown graph for NO2
41
Hamilton Downtown graph for SO2
.41
Hamilton Downtown graph for CO
67
Hamilton Mountain graph for O3
13
Hamilton Mountain graph for PM2.5
4
Hamilton Mountain graph for NO2
1
Hamilton Mountain graph for SO2
 
49
Hamilton West graph for O3
24
Hamilton West graph for PM2.5
21
Hamilton West graph for NO2
   
69
Parry Sound graph for O3
11
Parry Sound graph for PM2.5
3
Parry Sound graph for NO2
   
62
Guelph graph for O3
10
Guelph graph for PM2.5
2
Guelph graph for NO2
   
61
Brantford graph for O3
6
Brantford graph for PM2.5
3
Brantford graph for NO2
   
66
Kitchener graph for O3
9
Kitchener graph for PM2.5
3
Kitchener graph for NO2
   
68
Sudbury graph for O3
11
Sudbury graph for PM2.5
2
Sudbury graph for NO2
0
Sudbury graph for SO2
 
57
Port Stanley graph for O3
7
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
58
London graph for O3
7
London graph for PM2.5
2
London graph for NO2
   
64
Tiverton graph for O3
10
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
74
Grand Bend graph for O3
11
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
49
Chatham graph for O3
8
Chatham graph for PM2.5
3
Chatham graph for NO2
   
72
Sarnia graph for O3
8
Sarnia graph for PM2.5
4
Sarnia graph for NO2
4
Sarnia graph for SO2
 
69
Windsor Downtown graph for O3
5
Windsor Downtown graph for PM2.5
3
Windsor Downtown graph for NO2
1
Windsor Downtown graph for SO2
.24
Windsor Downtown graph for CO
70
Windsor West graph for O3
8
Windsor West graph for PM2.5
1
Windsor West graph for NO2
0
Windsor West graph for SO2
 
63
Sault Ste Marie graph for O3
7
Sault Ste Marie graph for PM2.5
2
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
36
Thunder Bay graph for O3
3
Thunder Bay graph for PM2.5
5
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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