Pollutant Concentrations for March 23, 2017, 12:00 am EDT

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Air Pollutant 1-Hour Concentrations For March 23, 2017, 12:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
23
Barrie graph for O3
7
Barrie graph for PM2.5
12
Barrie graph for NO2
   
37
Belleville graph for O3
6
Belleville graph for PM2.5
3
Belleville graph for NO2
   
31
Brampton graph for O3
5
Brampton graph for PM2.5
6
Brampton graph for NO2
   
36
Brantford graph for O3
4
Brantford graph for PM2.5
3
Brantford graph for NO2
   
33
Burlington graph for O3
6
Burlington graph for PM2.5
8
Burlington graph for NO2
   
31
Chatham graph for O3
4
Chatham graph for PM2.5
7
Chatham graph for NO2
   
35
Cornwall graph for O3
3
Cornwall graph for PM2.5
5
Cornwall graph for NO2
   
37
Dorset graph for O3
2
Dorset graph for PM2.5
     
26
Grand Bend graph for O3
3
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
34
Guelph graph for O3
6
Guelph graph for PM2.5
5
Guelph graph for NO2
   
34
Hamilton Downtown graph for O3
5
Hamilton Downtown graph for PM2.5
7
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.2
Hamilton Downtown graph for CO
35
Hamilton Mountain graph for O3
4
Hamilton Mountain graph for PM2.5
7
Hamilton Mountain graph for NO2
3
Hamilton Mountain graph for SO2
 
32
Hamilton West graph for O3
5
Hamilton West graph for PM2.5
8
Hamilton West graph for NO2
   
26
Kingston graph for O3
5
Kingston graph for PM2.5
14
Kingston graph for NO2
   
34
Kitchener graph for O3
4
Kitchener graph for PM2.5
3
Kitchener graph for NO2
   
25
London graph for O3
5
London graph for PM2.5
14
London graph for NO2
   
26
Mississauga graph for O3
6
Mississauga graph for PM2.5
14
Mississauga graph for NO2
   
27
Newmarket  graph for O3
6
Newmarket  graph for PM2.5
7
Newmarket  graph for NO2
   
35
North Bay graph for O3
5
North Bay graph for PM2.5
4
North Bay graph for NO2
   
25
Oakville  graph for O3
7
Oakville  graph for PM2.5
13
Oakville  graph for NO2
   
36
Oshawa graph for O3
4
Oshawa graph for PM2.5
3
Oshawa graph for NO2
   
38
Ottawa Central graph for O3
5
Ottawa Central graph for PM2.5
4
Ottawa Central graph for NO2
   
37
Ottawa Downtown graph for O3
5
Ottawa Downtown graph for PM2.5
5
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.17
Ottawa Downtown graph for CO
34
Parry Sound graph for O3
9
Parry Sound graph for PM2.5
3
Parry Sound graph for NO2
   
39
Petawawa graph for O3
4
Petawawa graph for PM2.5
     
37
Peterborough graph for O3
5
Peterborough graph for PM2.5
2
Peterborough graph for NO2
   
32
Port Stanley graph for O3
3
Port Stanley graph for PM2.5
3
Port Stanley graph for NO2
   
24
Sarnia graph for O3
5
Sarnia graph for PM2.5
15
Sarnia graph for NO2
0
Sarnia graph for SO2
 
25
Sault Ste Marie graph for O3
11
Sault Ste Marie graph for PM2.5
12
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
9
St. Catharines graph for O3
12
St. Catharines graph for PM2.5
30
St. Catharines graph for NO2
   
35
Sudbury graph for O3
7
Sudbury graph for PM2.5
8
Sudbury graph for NO2
7
Sudbury graph for SO2
 
40
Thunder Bay graph for O3
2
Thunder Bay graph for PM2.5
3
Thunder Bay graph for NO2
   
32
Tiverton graph for O3
15
Tiverton graph for PM2.5
2
Tiverton graph for NO2
   
28
Toronto Downtown graph for O3
5
Toronto Downtown graph for PM2.5
13
Toronto Downtown graph for NO2
   
28
Toronto East graph for O3
6
Toronto East graph for PM2.5
11
Toronto East graph for NO2
   
28
Toronto North graph for O3
7
Toronto North graph for PM2.5
9
Toronto North graph for NO2
0
Toronto North graph for SO2
 
19
Toronto West graph for O3
10
Toronto West graph for PM2.5
21
Toronto West graph for NO2
0
Toronto West graph for SO2
.26
Toronto West graph for CO
26
Windsor Downtown graph for O3
8
Windsor Downtown graph for PM2.5
13
Windsor Downtown graph for NO2
1
Windsor Downtown graph for SO2
.27
Windsor Downtown graph for CO
26
Windsor West graph for O3
5
Windsor West graph for PM2.5
10
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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