Pollutant Concentrations for March 21, 2019, 1:00 pm EDT

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Air Pollutant 1-Hour Concentrations For March 21, 2019, 1:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
40
Barrie graph for O3
18
Barrie graph for PM2.5
9
Barrie graph for NO2
   
43
Belleville graph for O3
11
Belleville graph for PM2.5
4
Belleville graph for NO2
   
21
Brampton graph for O3
18
Brampton graph for PM2.5
31
Brampton graph for NO2
   
31
Brantford graph for O3
15
Brantford graph for PM2.5
10
Brantford graph for NO2
   
39
Burlington graph for O3
18
Burlington graph for PM2.5
9
Burlington graph for NO2
   
35
Chatham graph for O3
12
Chatham graph for PM2.5
6
Chatham graph for NO2
   
48
Cornwall graph for O3
8
Cornwall graph for PM2.5
3
Cornwall graph for NO2
   
49
Dorset graph for O3
10
Dorset graph for PM2.5
     
37
Grand Bend graph for O3
8
Grand Bend graph for PM2.5
3
Grand Bend graph for NO2
   
31
Guelph graph for O3
13
Guelph graph for PM2.5
10
Guelph graph for NO2
   
11
Hamilton Downtown graph for O3
25
Hamilton Downtown graph for PM2.5
38
Hamilton Downtown graph for NO2
2.9
Hamilton Downtown graph for SO2
.57
Hamilton Downtown graph for CO
18
Hamilton Mountain graph for O3
24
Hamilton Mountain graph for PM2.5
30
Hamilton Mountain graph for NO2
6.7
Hamilton Mountain graph for SO2
 
14
Hamilton West graph for O3
24
Hamilton West graph for PM2.5
34
Hamilton West graph for NO2
   
46
Kingston graph for O3
7
Kingston graph for PM2.5
3
Kingston graph for NO2
   
33
Kitchener graph for O3
16
Kitchener graph for PM2.5
12
Kitchener graph for NO2
   
37
London graph for O3
13
London graph for PM2.5
9
London graph for NO2
   
30
Milton graph for O3
20
Milton graph for PM2.5
16
Milton graph for NO2
.9
Milton graph for SO2
 
32
Mississauga graph for O3
18
Mississauga graph for PM2.5
14
Mississauga graph for NO2
   
33
Newmarket  graph for O3
14
Newmarket  graph for PM2.5
14
Newmarket  graph for NO2
   
38
North Bay graph for O3
13
North Bay graph for PM2.5
7
North Bay graph for NO2
   
28
Oakville  graph for O3
16
Oakville  graph for PM2.5
20
Oakville  graph for NO2
   
31
Oshawa graph for O3
14
Oshawa graph for PM2.5
7
Oshawa graph for NO2
   
48
Ottawa Downtown graph for O3
10
Ottawa Downtown graph for PM2.5
7
Ottawa Downtown graph for NO2
.3
Ottawa Downtown graph for SO2
.21
Ottawa Downtown graph for CO
40
Parry Sound graph for O3
9
Parry Sound graph for PM2.5
4
Parry Sound graph for NO2
   
46
Petawawa graph for O3
13
Petawawa graph for PM2.5
     
41
Peterborough graph for O3
12
Peterborough graph for PM2.5
7
Peterborough graph for NO2
   
47
Port Stanley graph for O3
16
Port Stanley graph for PM2.5
3
Port Stanley graph for NO2
   
36
Sarnia graph for O3
9
Sarnia graph for PM2.5
4
Sarnia graph for NO2
.8
Sarnia graph for SO2
 
38
Sault Ste Marie graph for O3
6
Sault Ste Marie graph for PM2.5
7
Sault Ste Marie graph for NO2
.1
Sault Ste Marie graph for SO2
 
37
St. Catharines graph for O3
11
St. Catharines graph for PM2.5
10
St. Catharines graph for NO2
   
42
Sudbury graph for O3
10
Sudbury graph for PM2.5
6
Sudbury graph for NO2
1
Sudbury graph for SO2
 
42
Thunder Bay graph for O3
3
Thunder Bay graph for PM2.5
4
Thunder Bay graph for NO2
   
40
Tiverton graph for O3
11
Tiverton graph for PM2.5
N/A
Tiverton graph for NO2
   
17
Toronto Downtown graph for O3
17
Toronto Downtown graph for PM2.5
29
Toronto Downtown graph for NO2
   
30
Toronto East graph for O3
15
Toronto East graph for PM2.5
18
Toronto East graph for NO2
   
20
Toronto North graph for O3
16
Toronto North graph for PM2.5
22
Toronto North graph for NO2
.1
Toronto North graph for SO2
 
22
Toronto West graph for O3
14
Toronto West graph for PM2.5
26
Toronto West graph for NO2
.3
Toronto West graph for SO2
.32
Toronto West graph for CO
31
Windsor Downtown graph for O3
7
Windsor Downtown graph for PM2.5
12
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.29
Windsor Downtown graph for CO
35
Windsor West graph for O3
8
Windsor West graph for PM2.5
11
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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