Pollutant Concentrations for October 20, 2017, 5:00 pm EDT

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Air Pollutant 1-Hour Concentrations For October 20, 2017, 5:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
41
Barrie graph for O3
9
Barrie graph for PM2.5
7
Barrie graph for NO2
   
43
Belleville graph for O3
3
Belleville graph for PM2.5
2
Belleville graph for NO2
   
43
Brampton graph for O3
6
Brampton graph for PM2.5
4
Brampton graph for NO2
   
45
Brantford graph for O3
3
Brantford graph for PM2.5
1
Brantford graph for NO2
   
36
Burlington graph for O3
6
Burlington graph for PM2.5
12
Burlington graph for NO2
   
44
Chatham graph for O3
3
Chatham graph for PM2.5
9
Chatham graph for NO2
   
35
Cornwall graph for O3
4
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
47
Dorset graph for O3
3
Dorset graph for PM2.5
     
47
Grand Bend graph for O3
1
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
45
Guelph graph for O3
3
Guelph graph for PM2.5
4
Guelph graph for NO2
   
43
Hamilton Downtown graph for O3
4
Hamilton Downtown graph for PM2.5
4
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.18
Hamilton Downtown graph for CO
45
Hamilton Mountain graph for O3
3
Hamilton Mountain graph for PM2.5
1
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
41
Hamilton West graph for O3
3
Hamilton West graph for PM2.5
6
Hamilton West graph for NO2
   
43
Kingston graph for O3
1
Kingston graph for PM2.5
1
Kingston graph for NO2
   
45
Kitchener graph for O3
4
Kitchener graph for PM2.5
4
Kitchener graph for NO2
   
47
London graph for O3
2
London graph for PM2.5
2
London graph for NO2
   
45
Mississauga graph for O3
1
Mississauga graph for PM2.5
4
Mississauga graph for NO2
   
29
Newmarket  graph for O3
6
Newmarket  graph for PM2.5
17
Newmarket  graph for NO2
   
49
North Bay graph for O3
2
North Bay graph for PM2.5
2
North Bay graph for NO2
   
43
Oakville  graph for O3
3
Oakville  graph for PM2.5
4
Oakville  graph for NO2
   
44
Oshawa graph for O3
3
Oshawa graph for PM2.5
5
Oshawa graph for NO2
   
35
Ottawa Central graph for O3
2
Ottawa Central graph for PM2.5
2
Ottawa Central graph for NO2
   
34
Ottawa Downtown graph for O3
4
Ottawa Downtown graph for PM2.5
4
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.13
Ottawa Downtown graph for CO
46
Parry Sound graph for O3
6
Parry Sound graph for PM2.5
1
Parry Sound graph for NO2
   
36
Petawawa graph for O3
3
Petawawa graph for PM2.5
     
34
Peterborough graph for O3
3
Peterborough graph for PM2.5
11
Peterborough graph for NO2
   
49
Port Stanley graph for O3
5
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
36
Sarnia graph for O3
5
Sarnia graph for PM2.5
15
Sarnia graph for NO2
27
Sarnia graph for SO2
 
59
Sault Ste Marie graph for O3
5
Sault Ste Marie graph for PM2.5
4
Sault Ste Marie graph for NO2
1
Sault Ste Marie graph for SO2
 
43
St. Catharines graph for O3
19
St. Catharines graph for PM2.5
3
St. Catharines graph for NO2
   
46
Sudbury graph for O3
5
Sudbury graph for PM2.5
6
Sudbury graph for NO2
0
Sudbury graph for SO2
 
43
Thunder Bay graph for O3
8
Thunder Bay graph for PM2.5
4
Thunder Bay graph for NO2
   
49
Tiverton graph for O3
5
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
39
Toronto Downtown graph for O3
2
Toronto Downtown graph for PM2.5
10
Toronto Downtown graph for NO2
   
39
Toronto East graph for O3
6
Toronto East graph for PM2.5
7
Toronto East graph for NO2
   
38
Toronto North graph for O3
5
Toronto North graph for PM2.5
9
Toronto North graph for NO2
1
Toronto North graph for SO2
 
37
Toronto West graph for O3
6
Toronto West graph for PM2.5
10
Toronto West graph for NO2
4
Toronto West graph for SO2
.18
Toronto West graph for CO
44
Windsor Downtown graph for O3
6
Windsor Downtown graph for PM2.5
8
Windsor Downtown graph for NO2
1
Windsor Downtown graph for SO2
.19
Windsor Downtown graph for CO
44
Windsor West graph for O3
5
Windsor West graph for PM2.5
5
Windsor West graph for NO2
1
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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