Pollutant Concentrations for May 25, 2017, 2:00 am EDT

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Air Pollutant 1-Hour Concentrations For May 25, 2017, 2:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
35
Barrie graph for O3
5
Barrie graph for PM2.5
3
Barrie graph for NO2
   
46
Belleville graph for O3
8
Belleville graph for PM2.5
2
Belleville graph for NO2
   
39
Brampton graph for O3
7
Brampton graph for PM2.5
12
Brampton graph for NO2
   
27
Brantford graph for O3
19
Brantford graph for PM2.5
9
Brantford graph for NO2
   
34
Burlington graph for O3
12
Burlington graph for PM2.5
10
Burlington graph for NO2
   
44
Chatham graph for O3
5
Chatham graph for PM2.5
2
Chatham graph for NO2
   
41
Cornwall graph for O3
8
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
41
Dorset graph for O3
5
Dorset graph for PM2.5
     
41
Grand Bend graph for O3
6
Grand Bend graph for PM2.5
4
Grand Bend graph for NO2
   
41
Guelph graph for O3
7
Guelph graph for PM2.5
4
Guelph graph for NO2
   
30
Hamilton Downtown graph for O3
12
Hamilton Downtown graph for PM2.5
14
Hamilton Downtown graph for NO2
8
Hamilton Downtown graph for SO2
.3
Hamilton Downtown graph for CO
26
Hamilton Mountain graph for O3
16
Hamilton Mountain graph for PM2.5
15
Hamilton Mountain graph for NO2
2
Hamilton Mountain graph for SO2
 
16
Hamilton West graph for O3
14
Hamilton West graph for PM2.5
24
Hamilton West graph for NO2
   
44
Kingston graph for O3
4
Kingston graph for PM2.5
2
Kingston graph for NO2
   
32
Kitchener graph for O3
7
Kitchener graph for PM2.5
5
Kitchener graph for NO2
   
40
London graph for O3
8
London graph for PM2.5
4
London graph for NO2
   
45
Mississauga graph for O3
7
Mississauga graph for PM2.5
3
Mississauga graph for NO2
   
48
Newmarket  graph for O3
6
Newmarket  graph for PM2.5
3
Newmarket  graph for NO2
   
37
North Bay graph for O3
4
North Bay graph for PM2.5
2
North Bay graph for NO2
   
39
Oakville  graph for O3
9
Oakville  graph for PM2.5
10
Oakville  graph for NO2
   
44
Oshawa graph for O3
5
Oshawa graph for PM2.5
7
Oshawa graph for NO2
   
41
Ottawa Central graph for O3
10
Ottawa Central graph for PM2.5
5
Ottawa Central graph for NO2
   
42
Ottawa Downtown graph for O3
11
Ottawa Downtown graph for PM2.5
6
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.19
Ottawa Downtown graph for CO
40
Parry Sound graph for O3
5
Parry Sound graph for PM2.5
2
Parry Sound graph for NO2
   
36
Petawawa graph for O3
9
Petawawa graph for PM2.5
     
51
Peterborough graph for O3
6
Peterborough graph for PM2.5
2
Peterborough graph for NO2
   
45
Port Stanley graph for O3
7
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
40
Sarnia graph for O3
7
Sarnia graph for PM2.5
4
Sarnia graph for NO2
0
Sarnia graph for SO2
 
22
Sault Ste Marie graph for O3
2
Sault Ste Marie graph for PM2.5
1
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
50
St. Catharines graph for O3
5
St. Catharines graph for PM2.5
3
St. Catharines graph for NO2
   
21
Sudbury graph for O3
0
Sudbury graph for PM2.5
1
Sudbury graph for NO2
0
Sudbury graph for SO2
 
19
Thunder Bay graph for O3
15
Thunder Bay graph for PM2.5
14
Thunder Bay graph for NO2
   
38
Tiverton graph for O3
7
Tiverton graph for PM2.5
2
Tiverton graph for NO2
   
47
Toronto Downtown graph for O3
5
Toronto Downtown graph for PM2.5
6
Toronto Downtown graph for NO2
   
48
Toronto East graph for O3
8
Toronto East graph for PM2.5
3
Toronto East graph for NO2
   
45
Toronto North graph for O3
9
Toronto North graph for PM2.5
4
Toronto North graph for NO2
0
Toronto North graph for SO2
 
46
Toronto West graph for O3
35
Toronto West graph for PM2.5
6
Toronto West graph for NO2
0
Toronto West graph for SO2
N/A
Toronto West graph for CO
42
Windsor Downtown graph for O3
6
Windsor Downtown graph for PM2.5
3
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.13
Windsor Downtown graph for CO
41
Windsor West graph for O3
7
Windsor West graph for PM2.5
4
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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