Pollutant Concentrations for July 21, 2018, 1:00 pm EDT

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Air Pollutant 1-Hour Concentrations For July 21, 2018, 1:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
51
Barrie graph for O3
11
Barrie graph for PM2.5
3
Barrie graph for NO2
   
48
Belleville graph for O3
5
Belleville graph for PM2.5
1
Belleville graph for NO2
   
55
Brampton graph for O3
12
Brampton graph for PM2.5
4
Brampton graph for NO2
   
51
Brantford graph for O3
11
Brantford graph for PM2.5
3
Brantford graph for NO2
   
51
Burlington graph for O3
6
Burlington graph for PM2.5
3
Burlington graph for NO2
   
34
Chatham graph for O3
2
Chatham graph for PM2.5
5
Chatham graph for NO2
   
62
Cornwall graph for O3
6
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
58
Dorset graph for O3
12
Dorset graph for PM2.5
     
48
Grand Bend graph for O3
8
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
52
Guelph graph for O3
10
Guelph graph for PM2.5
3
Guelph graph for NO2
   
47
Hamilton Downtown graph for O3
11
Hamilton Downtown graph for PM2.5
6
Hamilton Downtown graph for NO2
2
Hamilton Downtown graph for SO2
.19
Hamilton Downtown graph for CO
51
Hamilton Mountain graph for O3
8
Hamilton Mountain graph for PM2.5
2
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
48
Hamilton West graph for O3
10
Hamilton West graph for PM2.5
6
Hamilton West graph for NO2
   
47
Kingston graph for O3
5
Kingston graph for PM2.5
1
Kingston graph for NO2
   
48
Kitchener graph for O3
8
Kitchener graph for PM2.5
2
Kitchener graph for NO2
   
46
London graph for O3
9
London graph for PM2.5
2
London graph for NO2
   
44
Mississauga graph for O3
7
Mississauga graph for PM2.5
2
Mississauga graph for NO2
   
54
Newmarket  graph for O3
8
Newmarket  graph for PM2.5
3
Newmarket  graph for NO2
   
59
North Bay graph for O3
11
North Bay graph for PM2.5
2
North Bay graph for NO2
   
46
Oakville  graph for O3
8
Oakville  graph for PM2.5
6
Oakville  graph for NO2
   
45
Oshawa graph for O3
8
Oshawa graph for PM2.5
1
Oshawa graph for NO2
   
63
Ottawa Downtown graph for O3
8
Ottawa Downtown graph for PM2.5
3
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.15
Ottawa Downtown graph for CO
52
Parry Sound graph for O3
9
Parry Sound graph for PM2.5
7
Parry Sound graph for NO2
   
61
Petawawa graph for O3
10
Petawawa graph for PM2.5
     
47
Peterborough graph for O3
7
Peterborough graph for PM2.5
2
Peterborough graph for NO2
   
48
Port Stanley graph for O3
4
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
45
Sarnia graph for O3
2
Sarnia graph for PM2.5
4
Sarnia graph for NO2
0
Sarnia graph for SO2
 
36
Sault Ste Marie graph for O3
8
Sault Ste Marie graph for PM2.5
2
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
46
St. Catharines graph for O3
7
St. Catharines graph for PM2.5
3
St. Catharines graph for NO2
   
52
Sudbury graph for O3
9
Sudbury graph for PM2.5
2
Sudbury graph for NO2
0
Sudbury graph for SO2
 
18
Thunder Bay graph for O3
7
Thunder Bay graph for PM2.5
2
Thunder Bay graph for NO2
   
N/A
Tiverton graph for O3
N/A
Tiverton graph for PM2.5
N/A
Tiverton graph for NO2
   
46
Toronto Downtown graph for O3
9
Toronto Downtown graph for PM2.5
4
Toronto Downtown graph for NO2
   
46
Toronto East graph for O3
7
Toronto East graph for PM2.5
2
Toronto East graph for NO2
   
46
Toronto North graph for O3
7
Toronto North graph for PM2.5
2
Toronto North graph for NO2
0
Toronto North graph for SO2
 
47
Toronto West graph for O3
9
Toronto West graph for PM2.5
3
Toronto West graph for NO2
0
Toronto West graph for SO2
.17
Toronto West graph for CO
38
Windsor Downtown graph for O3
2
Windsor Downtown graph for PM2.5
3
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.16
Windsor Downtown graph for CO
36
Windsor West graph for O3
4
Windsor West graph for PM2.5
1
Windsor West graph for NO2
0
Windsor West graph for SO2
 

Order by Station Location (East to West)

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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