Pollutant Concentrations for March 20, 2019, 2:00 pm EDT

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Air Pollutant 1-Hour Concentrations For March 20, 2019, 2:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
51
Cornwall graph for O3
10
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
51
Ottawa Downtown graph for O3
11
Ottawa Downtown graph for PM2.5
7
Ottawa Downtown graph for NO2
.5
Ottawa Downtown graph for SO2
.2
Ottawa Downtown graph for CO
43
Kingston graph for O3
12
Kingston graph for PM2.5
4
Kingston graph for NO2
   
49
Belleville graph for O3
13
Belleville graph for PM2.5
4
Belleville graph for NO2
   
50
Petawawa graph for O3
6
Petawawa graph for PM2.5
     
47
Peterborough graph for O3
11
Peterborough graph for PM2.5
6
Peterborough graph for NO2
   
37
Oshawa graph for O3
13
Oshawa graph for PM2.5
6
Oshawa graph for NO2
   
52
Dorset graph for O3
6
Dorset graph for PM2.5
     
51
St. Catharines graph for O3
8
St. Catharines graph for PM2.5
4
St. Catharines graph for NO2
   
42
Toronto East graph for O3
15
Toronto East graph for PM2.5
10
Toronto East graph for NO2
   
45
Toronto Downtown graph for O3
15
Toronto Downtown graph for PM2.5
3
Toronto Downtown graph for NO2
   
48
North Bay graph for O3
6
North Bay graph for PM2.5
5
North Bay graph for NO2
   
41
Toronto North graph for O3
13
Toronto North graph for PM2.5
2
Toronto North graph for NO2
2.1
Toronto North graph for SO2
 
47
Newmarket  graph for O3
9
Newmarket  graph for PM2.5
5
Newmarket  graph for NO2
   
42
Toronto West graph for O3
13
Toronto West graph for PM2.5
9
Toronto West graph for NO2
2.5
Toronto West graph for SO2
.22
Toronto West graph for CO
49
Mississauga graph for O3
11
Mississauga graph for PM2.5
5
Mississauga graph for NO2
   
49
Oakville  graph for O3
11
Oakville  graph for PM2.5
5
Oakville  graph for NO2
   
47
Barrie graph for O3
12
Barrie graph for PM2.5
6
Barrie graph for NO2
   
50
Brampton graph for O3
11
Brampton graph for PM2.5
4
Brampton graph for NO2
   
46
Burlington graph for O3
11
Burlington graph for PM2.5
9
Burlington graph for NO2
   
49
Hamilton Downtown graph for O3
11
Hamilton Downtown graph for PM2.5
6
Hamilton Downtown graph for NO2
.5
Hamilton Downtown graph for SO2
.19
Hamilton Downtown graph for CO
50
Milton graph for O3
12
Milton graph for PM2.5
4
Milton graph for NO2
1
Milton graph for SO2
 
51
Hamilton Mountain graph for O3
10
Hamilton Mountain graph for PM2.5
4
Hamilton Mountain graph for NO2
.4
Hamilton Mountain graph for SO2
 
48
Hamilton West graph for O3
10
Hamilton West graph for PM2.5
6
Hamilton West graph for NO2
   
51
Parry Sound graph for O3
10
Parry Sound graph for PM2.5
4
Parry Sound graph for NO2
   
46
Guelph graph for O3
11
Guelph graph for PM2.5
3
Guelph graph for NO2
   
47
Brantford graph for O3
11
Brantford graph for PM2.5
8
Brantford graph for NO2
   
48
Kitchener graph for O3
10
Kitchener graph for PM2.5
5
Kitchener graph for NO2
   
43
Sudbury graph for O3
7
Sudbury graph for PM2.5
7
Sudbury graph for NO2
.3
Sudbury graph for SO2
 
42
Port Stanley graph for O3
11
Port Stanley graph for PM2.5
10
Port Stanley graph for NO2
   
46
London graph for O3
9
London graph for PM2.5
6
London graph for NO2
   
49
Tiverton graph for O3
7
Tiverton graph for PM2.5
N/A
Tiverton graph for NO2
   
50
Grand Bend graph for O3
11
Grand Bend graph for PM2.5
3
Grand Bend graph for NO2
   
43
Chatham graph for O3
13
Chatham graph for PM2.5
7
Chatham graph for NO2
   
48
Sarnia graph for O3
11
Sarnia graph for PM2.5
8
Sarnia graph for NO2
8.6
Sarnia graph for SO2
 
36
Windsor Downtown graph for O3
12
Windsor Downtown graph for PM2.5
12
Windsor Downtown graph for NO2
2.4
Windsor Downtown graph for SO2
.21
Windsor Downtown graph for CO
39
Windsor West graph for O3
12
Windsor West graph for PM2.5
9
Windsor West graph for NO2
1.2
Windsor West graph for SO2
 
39
Sault Ste Marie graph for O3
8
Sault Ste Marie graph for PM2.5
8
Sault Ste Marie graph for NO2
.2
Sault Ste Marie graph for SO2
 
31
Thunder Bay graph for O3
4
Thunder Bay graph for PM2.5
16
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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