Pollutant Concentrations for April 24, 2018, 4:00 pm EDT

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Air Pollutant 1-Hour Concentrations For April 24, 2018, 4:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
52
Barrie graph for O3
12
Barrie graph for PM2.5
7
Barrie graph for NO2
   
57
Belleville graph for O3
7
Belleville graph for PM2.5
1
Belleville graph for NO2
   
50
Brampton graph for O3
7
Brampton graph for PM2.5
7
Brampton graph for NO2
   
54
Brantford graph for O3
9
Brantford graph for PM2.5
3
Brantford graph for NO2
   
50
Burlington graph for O3
11
Burlington graph for PM2.5
9
Burlington graph for NO2
   
49
Chatham graph for O3
7
Chatham graph for PM2.5
6
Chatham graph for NO2
   
58
Cornwall graph for O3
6
Cornwall graph for PM2.5
1
Cornwall graph for NO2
   
56
Dorset graph for O3
6
Dorset graph for PM2.5
     
55
Grand Bend graph for O3
12
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
53
Guelph graph for O3
6
Guelph graph for PM2.5
3
Guelph graph for NO2
   
53
Hamilton Downtown graph for O3
5
Hamilton Downtown graph for PM2.5
3
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.29
Hamilton Downtown graph for CO
49
Hamilton Mountain graph for O3
5
Hamilton Mountain graph for PM2.5
3
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
51
Hamilton West graph for O3
7
Hamilton West graph for PM2.5
6
Hamilton West graph for NO2
   
58
Kingston graph for O3
7
Kingston graph for PM2.5
3
Kingston graph for NO2
   
51
Kitchener graph for O3
8
Kitchener graph for PM2.5
4
Kitchener graph for NO2
   
54
London graph for O3
7
London graph for PM2.5
3
London graph for NO2
   
51
Mississauga graph for O3
5
Mississauga graph for PM2.5
5
Mississauga graph for NO2
   
44
Newmarket  graph for O3
8
Newmarket  graph for PM2.5
14
Newmarket  graph for NO2
   
49
North Bay graph for O3
2
North Bay graph for PM2.5
8
North Bay graph for NO2
   
53
Oakville  graph for O3
5
Oakville  graph for PM2.5
6
Oakville  graph for NO2
   
56
Oshawa graph for O3
6
Oshawa graph for PM2.5
4
Oshawa graph for NO2
   
57
Ottawa Downtown graph for O3
13
Ottawa Downtown graph for PM2.5
6
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.29
Ottawa Downtown graph for CO
56
Parry Sound graph for O3
11
Parry Sound graph for PM2.5
2
Parry Sound graph for NO2
   
53
Petawawa graph for O3
5
Petawawa graph for PM2.5
     
55
Peterborough graph for O3
9
Peterborough graph for PM2.5
5
Peterborough graph for NO2
   
55
Port Stanley graph for O3
7
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
51
Sarnia graph for O3
6
Sarnia graph for PM2.5
4
Sarnia graph for NO2
1
Sarnia graph for SO2
 
65
Sault Ste Marie graph for O3
8
Sault Ste Marie graph for PM2.5
6
Sault Ste Marie graph for NO2
3
Sault Ste Marie graph for SO2
 
50
St. Catharines graph for O3
5
St. Catharines graph for PM2.5
5
St. Catharines graph for NO2
   
51
Sudbury graph for O3
7
Sudbury graph for PM2.5
4
Sudbury graph for NO2
2
Sudbury graph for SO2
 
39
Thunder Bay graph for O3
3
Thunder Bay graph for PM2.5
3
Thunder Bay graph for NO2
   
55
Tiverton graph for O3
6
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
44
Toronto Downtown graph for O3
8
Toronto Downtown graph for PM2.5
9
Toronto Downtown graph for NO2
   
46
Toronto East graph for O3
6
Toronto East graph for PM2.5
8
Toronto East graph for NO2
   
52
Toronto North graph for O3
5
Toronto North graph for PM2.5
6
Toronto North graph for NO2
1
Toronto North graph for SO2
 
48
Toronto West graph for O3
4
Toronto West graph for PM2.5
8
Toronto West graph for NO2
2
Toronto West graph for SO2
.2
Toronto West graph for CO
44
Windsor Downtown graph for O3
9
Windsor Downtown graph for PM2.5
6
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.22
Windsor Downtown graph for CO
45
Windsor West graph for O3
9
Windsor West graph for PM2.5
5
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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