Pollutant Concentrations for August 21, 2017, 11:00 pm EDT

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Air Pollutant 1-Hour Concentrations For August 21, 2017, 11:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
16
Barrie graph for O3
20
Barrie graph for PM2.5
20
Barrie graph for NO2
   
56
Belleville graph for O3
12
Belleville graph for PM2.5
2
Belleville graph for NO2
   
38
Brampton graph for O3
14
Brampton graph for PM2.5
7
Brampton graph for NO2
   
26
Brantford graph for O3
10
Brantford graph for PM2.5
2
Brantford graph for NO2
   
39
Burlington graph for O3
13
Burlington graph for PM2.5
9
Burlington graph for NO2
   
33
Chatham graph for O3
8
Chatham graph for PM2.5
4
Chatham graph for NO2
   
48
Cornwall graph for O3
11
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
7
Dorset graph for O3
12
Dorset graph for PM2.5
     
42
Grand Bend graph for O3
10
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
38
Guelph graph for O3
20
Guelph graph for PM2.5
7
Guelph graph for NO2
   
44
Hamilton Downtown graph for O3
14
Hamilton Downtown graph for PM2.5
6
Hamilton Downtown graph for NO2
6
Hamilton Downtown graph for SO2
.23
Hamilton Downtown graph for CO
44
Hamilton Mountain graph for O3
11
Hamilton Mountain graph for PM2.5
4
Hamilton Mountain graph for NO2
2
Hamilton Mountain graph for SO2
 
43
Hamilton West graph for O3
13
Hamilton West graph for PM2.5
6
Hamilton West graph for NO2
   
62
Kingston graph for O3
11
Kingston graph for PM2.5
1
Kingston graph for NO2
   
38
Kitchener graph for O3
16
Kitchener graph for PM2.5
5
Kitchener graph for NO2
   
40
London graph for O3
13
London graph for PM2.5
9
London graph for NO2
   
38
Mississauga graph for O3
16
Mississauga graph for PM2.5
8
Mississauga graph for NO2
   
30
Newmarket  graph for O3
15
Newmarket  graph for PM2.5
10
Newmarket  graph for NO2
   
32
North Bay graph for O3
12
North Bay graph for PM2.5
2
North Bay graph for NO2
   
39
Oakville  graph for O3
14
Oakville  graph for PM2.5
7
Oakville  graph for NO2
   
49
Oshawa graph for O3
12
Oshawa graph for PM2.5
4
Oshawa graph for NO2
   
45
Ottawa Central graph for O3
12
Ottawa Central graph for PM2.5
2
Ottawa Central graph for NO2
   
45
Ottawa Downtown graph for O3
13
Ottawa Downtown graph for PM2.5
5
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.26
Ottawa Downtown graph for CO
18
Parry Sound graph for O3
12
Parry Sound graph for PM2.5
7
Parry Sound graph for NO2
   
12
Petawawa graph for O3
11
Petawawa graph for PM2.5
     
41
Peterborough graph for O3
14
Peterborough graph for PM2.5
7
Peterborough graph for NO2
   
51
Port Stanley graph for O3
12
Port Stanley graph for PM2.5
1
Port Stanley graph for NO2
   
42
Sarnia graph for O3
11
Sarnia graph for PM2.5
4
Sarnia graph for NO2
0
Sarnia graph for SO2
 
27
Sault Ste Marie graph for O3
13
Sault Ste Marie graph for PM2.5
3
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
42
St. Catharines graph for O3
13
St. Catharines graph for PM2.5
6
St. Catharines graph for NO2
   
31
Sudbury graph for O3
11
Sudbury graph for PM2.5
2
Sudbury graph for NO2
1
Sudbury graph for SO2
 
23
Thunder Bay graph for O3
6
Thunder Bay graph for PM2.5
3
Thunder Bay graph for NO2
   
45
Tiverton graph for O3
14
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
44
Toronto Downtown graph for O3
16
Toronto Downtown graph for PM2.5
8
Toronto Downtown graph for NO2
   
38
Toronto East graph for O3
14
Toronto East graph for PM2.5
11
Toronto East graph for NO2
   
35
Toronto North graph for O3
12
Toronto North graph for PM2.5
14
Toronto North graph for NO2
1
Toronto North graph for SO2
 
40
Toronto West graph for O3
14
Toronto West graph for PM2.5
10
Toronto West graph for NO2
1
Toronto West graph for SO2
.29
Toronto West graph for CO
28
Windsor Downtown graph for O3
10
Windsor Downtown graph for PM2.5
13
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.22
Windsor Downtown graph for CO
32
Windsor West graph for O3
10
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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