Pollutant Concentrations for June 17, 2021, 11:00 pm EDT

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Air Pollutant 1-Hour Concentrations For June 17, 2021, 11:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
39
Cornwall graph for O3
3
Cornwall graph for PM2.5
.9
Cornwall graph for NO2
   
43
Ottawa Downtown graph for O3
7
Ottawa Downtown graph for PM2.5
3.7
Ottawa Downtown graph for NO2
.1
Ottawa Downtown graph for SO2
 
41
Kingston graph for O3
2
Kingston graph for PM2.5
.9
Kingston graph for NO2
   
45
Belleville graph for O3
2
Belleville graph for PM2.5
2.5
Belleville graph for NO2
   
35
Petawawa graph for O3
4
Petawawa graph for PM2.5
     
46
Peterborough graph for O3
7
Peterborough graph for PM2.5
4.3
Peterborough graph for NO2
   
51
Oshawa graph for O3
7
Oshawa graph for PM2.5
2.8
Oshawa graph for NO2
   
26
Dorset graph for O3
6
Dorset graph for PM2.5
     
55
St. Catharines graph for O3
7
St. Catharines graph for PM2.5
3.1
St. Catharines graph for NO2
   
42
Toronto East graph for O3
6
Toronto East graph for PM2.5
10.8
Toronto East graph for NO2
   
54
Toronto Downtown graph for O3
3
Toronto Downtown graph for PM2.5
4.3
Toronto Downtown graph for NO2
   
44
North Bay graph for O3
4
North Bay graph for PM2.5
.9
North Bay graph for NO2
   
41
Toronto North graph for O3
3
Toronto North graph for PM2.5
12.7
Toronto North graph for NO2
2.9
Toronto North graph for SO2
 
44
Newmarket graph for O3
10
Newmarket graph for PM2.5
8.8
Newmarket graph for NO2
   
47
Toronto West graph for O3
6
Toronto West graph for PM2.5
6.1
Toronto West graph for NO2
1.2
Toronto West graph for SO2
.16
Toronto West graph for CO
49
Mississauga graph for O3
12
Mississauga graph for PM2.5
5.8
Mississauga graph for NO2
   
48
Oakville graph for O3
6
Oakville graph for PM2.5
7.9
Oakville graph for NO2
   
24
Barrie graph for O3
15
Barrie graph for PM2.5
12
Barrie graph for NO2
   
47
Brampton graph for O3
8
Brampton graph for PM2.5
6.7
Brampton graph for NO2
   
46
Burlington graph for O3
8
Burlington graph for PM2.5
8.5
Burlington graph for NO2
   
40
Hamilton Downtown graph for O3
11
Hamilton Downtown graph for PM2.5
13.9
Hamilton Downtown graph for NO2
2.4
Hamilton Downtown graph for SO2
.14
Hamilton Downtown graph for CO
51
Milton graph for O3
10
Milton graph for PM2.5
3.8
Milton graph for NO2
.8
Milton graph for SO2
 
49
Hamilton Mountain graph for O3
6
Hamilton Mountain graph for PM2.5
2.6
Hamilton Mountain graph for NO2
2.8
Hamilton Mountain graph for SO2
 
47
Hamilton West graph for O3
8
Hamilton West graph for PM2.5
5.5
Hamilton West graph for NO2
   
35
Parry Sound graph for O3
5
Parry Sound graph for PM2.5
1.4
Parry Sound graph for NO2
   
56
Guelph graph for O3
8
Guelph graph for PM2.5
4.2
Guelph graph for NO2
   
42
Brantford graph for O3
33
Brantford graph for PM2.5
3.7
Brantford graph for NO2
   
51
Kitchener graph for O3
4
Kitchener graph for PM2.5
4.7
Kitchener graph for NO2
   
58
Sudbury graph for O3
7
Sudbury graph for PM2.5
2.4
Sudbury graph for NO2
2.2
Sudbury graph for SO2
 
64
Port Stanley graph for O3
10
Port Stanley graph for PM2.5
1
Port Stanley graph for NO2
   
61
London graph for O3
7
London graph for PM2.5
3.5
London graph for NO2
   
63
Tiverton graph for O3
9
Tiverton graph for PM2.5
     
57
Grand Bend graph for O3
1
Grand Bend graph for PM2.5
3.7
Grand Bend graph for NO2
   
58
Chatham graph for O3
12
Chatham graph for PM2.5
4
Chatham graph for NO2
   
58
Sarnia graph for O3
3
Sarnia graph for PM2.5
9.1
Sarnia graph for NO2
3.1
Sarnia graph for SO2
 
54
Windsor Downtown graph for O3
6
Windsor Downtown graph for PM2.5
8
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.17
Windsor Downtown graph for CO
60
Windsor West graph for O3
6
Windsor West graph for PM2.5
2.6
Windsor West graph for NO2
.3
Windsor West graph for SO2
 
48
Sault Ste. Marie graph for O3
4
Sault Ste. Marie graph for PM2.5
3.8
Sault Ste. Marie graph for NO2
.7
Sault Ste. Marie graph for SO2
 
37
Thunder Bay graph for O3
6
Thunder Bay graph for PM2.5
4.2
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 = 40 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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