Current Pollutant Concentrations

Air Pollutant 1-Hour Concentrations For Monday, August 3, 2015, 8:00 am
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
36
Barrie graph for O3
3
Barrie graph for PM2.5
2
Barrie graph for NO2
   
43
Belleville graph for O3
5
Belleville graph for PM2.5
3
Belleville graph for NO2
   
45
Brampton graph for O3
2
Brampton graph for PM2.5
1
Brampton graph for NO2
   
46
Brantford graph for O3
1
Brantford graph for PM2.5
1
Brantford graph for NO2
   
39
Burlington graph for O3
1
Burlington graph for PM2.5
2
Burlington graph for NO2
   
38
Chatham graph for O3
2
Chatham graph for PM2.5
1
Chatham graph for NO2
   
33
Cornwall graph for O3
11
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
42
Dorset graph for O3
3
Dorset graph for PM2.5
     
37
Grand Bend graph for O3
2
Grand Bend graph for PM2.5
1
Grand Bend graph for NO2
   
44
Guelph graph for O3
3
Guelph graph for PM2.5
2
Guelph graph for NO2
   
41
Hamilton Downtown graph for O3
3
Hamilton Downtown graph for PM2.5
3
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.08
Hamilton Downtown graph for CO
45
Hamilton Mountain graph for O3
3
Hamilton Mountain graph for PM2.5
3
Hamilton Mountain graph for NO2
N/A
Hamilton Mountain graph for SO2
 
40
Hamilton West graph for O3
1
Hamilton West graph for PM2.5
2
Hamilton West graph for NO2
   
38
Kingston graph for O3
4
Kingston graph for PM2.5
5
Kingston graph for NO2
   
32
Kitchener graph for O3
N/A
Kitchener graph for PM2.5
1
Kitchener graph for NO2
   
44
London graph for O3
4
London graph for PM2.5
0
London graph for NO2
   
44
Mississauga graph for O3
2
Mississauga graph for PM2.5
2
Mississauga graph for NO2
0
Mississauga graph for SO2
 
44
Newmarket  graph for O3
2
Newmarket  graph for PM2.5
1
Newmarket  graph for NO2
   
N/A
North Bay graph for O3
N/A
North Bay graph for PM2.5
N/A
North Bay graph for NO2
   
45
Oakville  graph for O3
0
Oakville  graph for PM2.5
0
Oakville  graph for NO2
   
27
Oshawa graph for O3
3
Oshawa graph for PM2.5
6
Oshawa graph for NO2
   
35
Ottawa Central graph for O3
3
Ottawa Central graph for PM2.5
2
Ottawa Central graph for NO2
   
36
Ottawa Downtown graph for O3
3
Ottawa Downtown graph for PM2.5
3
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.14
Ottawa Downtown graph for CO
33
Parry Sound graph for O3
5
Parry Sound graph for PM2.5
1
Parry Sound graph for NO2
   
23
Petawawa graph for O3
3
Petawawa graph for PM2.5
     
38
Peterborough graph for O3
3
Peterborough graph for PM2.5
2
Peterborough graph for NO2
   
47
Port Stanley graph for O3
2
Port Stanley graph for PM2.5
0
Port Stanley graph for NO2
   
36
Sarnia graph for O3
3
Sarnia graph for PM2.5
4
Sarnia graph for NO2
1
Sarnia graph for SO2
 
28
Sault Ste Marie graph for O3
7
Sault Ste Marie graph for PM2.5
1
Sault Ste Marie graph for NO2
1
Sault Ste Marie graph for SO2
 
45
St. Catharines graph for O3
3
St. Catharines graph for PM2.5
2
St. Catharines graph for NO2
   
16
Sudbury graph for O3
6
Sudbury graph for PM2.5
2
Sudbury graph for NO2
1
Sudbury graph for SO2
 
13
Thunder Bay graph for O3
2
Thunder Bay graph for PM2.5
2
Thunder Bay graph for NO2
   
36
Tiverton graph for O3
5
Tiverton graph for PM2.5
0
Tiverton graph for NO2
   
41
Toronto Downtown graph for O3
2
Toronto Downtown graph for PM2.5
5
Toronto Downtown graph for NO2
   
35
Toronto East graph for O3
3
Toronto East graph for PM2.5
6
Toronto East graph for NO2
   
46
Toronto North graph for O3
2
Toronto North graph for PM2.5
2
Toronto North graph for NO2
   
39
Toronto West graph for O3
0
Toronto West graph for PM2.5
7
Toronto West graph for NO2
0
Toronto West graph for SO2
.15
Toronto West graph for CO
28
Windsor Downtown graph for O3
5
Windsor Downtown graph for PM2.5
15
Windsor Downtown graph for NO2
8
Windsor Downtown graph for SO2
.43
Windsor Downtown graph for CO
28
Windsor West graph for O3
3
Windsor West graph for PM2.5
14
Windsor West graph for NO2
2
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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