Pollutant Concentrations for February 25, 2018, 10:00 pm EST

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Air Pollutant 1-Hour Concentrations For February 25, 2018, 10:00 pm EST
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
37
Cornwall graph for O3
4
Cornwall graph for PM2.5
1
Cornwall graph for NO2
   
27
Ottawa Downtown graph for O3
5
Ottawa Downtown graph for PM2.5
9
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.22
Ottawa Downtown graph for CO
36
Kingston graph for O3
13
Kingston graph for PM2.5
2
Kingston graph for NO2
   
36
Belleville graph for O3
8
Belleville graph for PM2.5
1
Belleville graph for NO2
   
43
Petawawa graph for O3
4
Petawawa graph for PM2.5
     
29
Peterborough graph for O3
11
Peterborough graph for PM2.5
6
Peterborough graph for NO2
   
31
Oshawa graph for O3
16
Oshawa graph for PM2.5
7
Oshawa graph for NO2
   
43
Dorset graph for O3
6
Dorset graph for PM2.5
     
34
St. Catharines graph for O3
9
St. Catharines graph for PM2.5
2
St. Catharines graph for NO2
   
30
Toronto East graph for O3
11
Toronto East graph for PM2.5
8
Toronto East graph for NO2
   
29
Toronto Downtown graph for O3
9
Toronto Downtown graph for PM2.5
8
Toronto Downtown graph for NO2
   
41
North Bay graph for O3
4
North Bay graph for PM2.5
2
North Bay graph for NO2
   
31
Toronto North graph for O3
16
Toronto North graph for PM2.5
7
Toronto North graph for NO2
0
Toronto North graph for SO2
 
36
Newmarket  graph for O3
14
Newmarket  graph for PM2.5
3
Newmarket  graph for NO2
   
24
Toronto West graph for O3
12
Toronto West graph for PM2.5
17
Toronto West graph for NO2
0
Toronto West graph for SO2
.25
Toronto West graph for CO
33
Mississauga graph for O3
12
Mississauga graph for PM2.5
3
Mississauga graph for NO2
   
33
Oakville  graph for O3
11
Oakville  graph for PM2.5
4
Oakville  graph for NO2
   
42
Barrie graph for O3
8
Barrie graph for PM2.5
3
Barrie graph for NO2
   
33
Brampton graph for O3
9
Brampton graph for PM2.5
4
Brampton graph for NO2
   
32
Burlington graph for O3
7
Burlington graph for PM2.5
4
Burlington graph for NO2
   
32
Hamilton Downtown graph for O3
12
Hamilton Downtown graph for PM2.5
4
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.2
Hamilton Downtown graph for CO
33
Hamilton Mountain graph for O3
12
Hamilton Mountain graph for PM2.5
4
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
31
Hamilton West graph for O3
9
Hamilton West graph for PM2.5
4
Hamilton West graph for NO2
   
45
Parry Sound graph for O3
5
Parry Sound graph for PM2.5
1
Parry Sound graph for NO2
   
33
Guelph graph for O3
10
Guelph graph for PM2.5
5
Guelph graph for NO2
   
33
Brantford graph for O3
9
Brantford graph for PM2.5
2
Brantford graph for NO2
   
30
Kitchener graph for O3
13
Kitchener graph for PM2.5
3
Kitchener graph for NO2
   
42
Sudbury graph for O3
4
Sudbury graph for PM2.5
3
Sudbury graph for NO2
10
Sudbury graph for SO2
 
35
Port Stanley graph for O3
7
Port Stanley graph for PM2.5
1
Port Stanley graph for NO2
   
30
London graph for O3
7
London graph for PM2.5
3
London graph for NO2
   
44
Tiverton graph for O3
2
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
38
Grand Bend graph for O3
4
Grand Bend graph for PM2.5
3
Grand Bend graph for NO2
   
31
Chatham graph for O3
5
Chatham graph for PM2.5
3
Chatham graph for NO2
   
38
Sarnia graph for O3
6
Sarnia graph for PM2.5
3
Sarnia graph for NO2
0
Sarnia graph for SO2
 
29
Windsor Downtown graph for O3
7
Windsor Downtown graph for PM2.5
10
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.21
Windsor Downtown graph for CO
24
Windsor West graph for O3
8
Windsor West graph for PM2.5
12
Windsor West graph for NO2
10
Windsor West graph for SO2
 
43
Sault Ste Marie graph for O3
5
Sault Ste Marie graph for PM2.5
7
Sault Ste Marie graph for NO2
7
Sault Ste Marie graph for SO2
 
41
Thunder Bay graph for O3
2
Thunder Bay graph for PM2.5
5
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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