Pollutant Concentrations for July 21, 2018, 9:00 am EDT

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Air Pollutant 1-Hour Concentrations For July 21, 2018, 9:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
48
Cornwall graph for O3
5
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
48
Ottawa Downtown graph for O3
7
Ottawa Downtown graph for PM2.5
5
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.19
Ottawa Downtown graph for CO
48
Kingston graph for O3
6
Kingston graph for PM2.5
3
Kingston graph for NO2
   
44
Belleville graph for O3
8
Belleville graph for PM2.5
2
Belleville graph for NO2
   
38
Petawawa graph for O3
7
Petawawa graph for PM2.5
     
45
Peterborough graph for O3
11
Peterborough graph for PM2.5
2
Peterborough graph for NO2
   
45
Oshawa graph for O3
7
Oshawa graph for PM2.5
5
Oshawa graph for NO2
   
55
Dorset graph for O3
12
Dorset graph for PM2.5
     
48
St. Catharines graph for O3
7
St. Catharines graph for PM2.5
2
St. Catharines graph for NO2
   
53
Toronto East graph for O3
8
Toronto East graph for PM2.5
3
Toronto East graph for NO2
   
52
Toronto Downtown graph for O3
11
Toronto Downtown graph for PM2.5
6
Toronto Downtown graph for NO2
   
46
North Bay graph for O3
6
North Bay graph for PM2.5
2
North Bay graph for NO2
   
50
Toronto North graph for O3
11
Toronto North graph for PM2.5
3
Toronto North graph for NO2
0
Toronto North graph for SO2
 
57
Newmarket  graph for O3
9
Newmarket  graph for PM2.5
3
Newmarket  graph for NO2
   
50
Toronto West graph for O3
12
Toronto West graph for PM2.5
5
Toronto West graph for NO2
0
Toronto West graph for SO2
.18
Toronto West graph for CO
48
Mississauga graph for O3
10
Mississauga graph for PM2.5
2
Mississauga graph for NO2
   
57
Oakville  graph for O3
9
Oakville  graph for PM2.5
4
Oakville  graph for NO2
   
55
Barrie graph for O3
12
Barrie graph for PM2.5
4
Barrie graph for NO2
   
57
Brampton graph for O3
12
Brampton graph for PM2.5
5
Brampton graph for NO2
   
58
Burlington graph for O3
9
Burlington graph for PM2.5
3
Burlington graph for NO2
   
55
Hamilton Downtown graph for O3
12
Hamilton Downtown graph for PM2.5
4
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.2
Hamilton Downtown graph for CO
56
Hamilton Mountain graph for O3
9
Hamilton Mountain graph for PM2.5
3
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
53
Hamilton West graph for O3
10
Hamilton West graph for PM2.5
5
Hamilton West graph for NO2
   
52
Parry Sound graph for O3
9
Parry Sound graph for PM2.5
9
Parry Sound graph for NO2
   
51
Guelph graph for O3
11
Guelph graph for PM2.5
4
Guelph graph for NO2
   
48
Brantford graph for O3
11
Brantford graph for PM2.5
3
Brantford graph for NO2
   
42
Kitchener graph for O3
10
Kitchener graph for PM2.5
4
Kitchener graph for NO2
   
45
Sudbury graph for O3
7
Sudbury graph for PM2.5
4
Sudbury graph for NO2
0
Sudbury graph for SO2
 
43
Port Stanley graph for O3
5
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
36
London graph for O3
8
London graph for PM2.5
3
London graph for NO2
   
34
Tiverton graph for O3
14
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
29
Grand Bend graph for O3
7
Grand Bend graph for PM2.5
3
Grand Bend graph for NO2
   
41
Chatham graph for O3
2
Chatham graph for PM2.5
5
Chatham graph for NO2
   
38
Sarnia graph for O3
4
Sarnia graph for PM2.5
5
Sarnia graph for NO2
0
Sarnia graph for SO2
 
35
Windsor Downtown graph for O3
3
Windsor Downtown graph for PM2.5
5
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.14
Windsor Downtown graph for CO
36
Windsor West graph for O3
3
Windsor West graph for PM2.5
1
Windsor West graph for NO2
0
Windsor West graph for SO2
 
34
Sault Ste Marie graph for O3
10
Sault Ste Marie graph for PM2.5
2
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
17
Thunder Bay graph for O3
9
Thunder Bay graph for PM2.5
2
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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