Pollutant Concentrations for November 21, 2017, 12:00 am EST

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Air Pollutant 1-Hour Concentrations For November 21, 2017, 12:00 am EST
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
23
Cornwall graph for O3
5
Cornwall graph for PM2.5
6
Cornwall graph for NO2
   
18
Ottawa Downtown graph for O3
7
Ottawa Downtown graph for PM2.5
10
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.18
Ottawa Downtown graph for CO
20
Ottawa Central graph for O3
7
Ottawa Central graph for PM2.5
7
Ottawa Central graph for NO2
   
32
Kingston graph for O3
7
Kingston graph for PM2.5
3
Kingston graph for NO2
   
15
Belleville graph for O3
10
Belleville graph for PM2.5
10
Belleville graph for NO2
   
24
Petawawa graph for O3
4
Petawawa graph for PM2.5
     
11
Peterborough graph for O3
14
Peterborough graph for PM2.5
15
Peterborough graph for NO2
   
28
Oshawa graph for O3
5
Oshawa graph for PM2.5
6
Oshawa graph for NO2
   
19
Dorset graph for O3
10
Dorset graph for PM2.5
     
32
St. Catharines graph for O3
4
St. Catharines graph for PM2.5
3
St. Catharines graph for NO2
   
24
Toronto East graph for O3
7
Toronto East graph for PM2.5
9
Toronto East graph for NO2
   
26
Toronto Downtown graph for O3
6
Toronto Downtown graph for PM2.5
8
Toronto Downtown graph for NO2
   
22
North Bay graph for O3
12
North Bay graph for PM2.5
5
North Bay graph for NO2
   
20
Toronto North graph for O3
5
Toronto North graph for PM2.5
11
Toronto North graph for NO2
0
Toronto North graph for SO2
 
26
Newmarket  graph for O3
5
Newmarket  graph for PM2.5
6
Newmarket  graph for NO2
   
25
Toronto West graph for O3
5
Toronto West graph for PM2.5
9
Toronto West graph for NO2
1
Toronto West graph for SO2
.2
Toronto West graph for CO
27
Mississauga graph for O3
4
Mississauga graph for PM2.5
6
Mississauga graph for NO2
   
28
Oakville  graph for O3
4
Oakville  graph for PM2.5
5
Oakville  graph for NO2
   
25
Barrie graph for O3
6
Barrie graph for PM2.5
8
Barrie graph for NO2
   
28
Brampton graph for O3
6
Brampton graph for PM2.5
4
Brampton graph for NO2
   
28
Burlington graph for O3
5
Burlington graph for PM2.5
6
Burlington graph for NO2
   
26
Hamilton Downtown graph for O3
3
Hamilton Downtown graph for PM2.5
6
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.19
Hamilton Downtown graph for CO
29
Hamilton Mountain graph for O3
4
Hamilton Mountain graph for PM2.5
3
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
29
Hamilton West graph for O3
5
Hamilton West graph for PM2.5
5
Hamilton West graph for NO2
   
22
Parry Sound graph for O3
13
Parry Sound graph for PM2.5
5
Parry Sound graph for NO2
   
29
Guelph graph for O3
5
Guelph graph for PM2.5
5
Guelph graph for NO2
   
31
Brantford graph for O3
4
Brantford graph for PM2.5
2
Brantford graph for NO2
   
29
Kitchener graph for O3
3
Kitchener graph for PM2.5
4
Kitchener graph for NO2
   
13
Sudbury graph for O3
12
Sudbury graph for PM2.5
16
Sudbury graph for NO2
0
Sudbury graph for SO2
 
34
Port Stanley graph for O3
3
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
32
London graph for O3
3
London graph for PM2.5
3
London graph for NO2
   
27
Tiverton graph for O3
4
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
26
Grand Bend graph for O3
4
Grand Bend graph for PM2.5
4
Grand Bend graph for NO2
   
26
Chatham graph for O3
8
Chatham graph for PM2.5
9
Chatham graph for NO2
   
15
Sarnia graph for O3
5
Sarnia graph for PM2.5
15
Sarnia graph for NO2
5
Sarnia graph for SO2
 
23
Windsor Downtown graph for O3
4
Windsor Downtown graph for PM2.5
11
Windsor Downtown graph for NO2
2
Windsor Downtown graph for SO2
.19
Windsor Downtown graph for CO
23
Windsor West graph for O3
6
Windsor West graph for PM2.5
11
Windsor West graph for NO2
1
Windsor West graph for SO2
 
21
Sault Ste Marie graph for O3
6
Sault Ste Marie graph for PM2.5
7
Sault Ste Marie graph for NO2
1
Sault Ste Marie graph for SO2
 
5
Thunder Bay graph for O3
22
Thunder Bay graph for PM2.5
11
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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