Pollutant Concentrations for April 18, 2019, 8:00 am EDT

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Air Pollutant 1-Hour Concentrations For April 18, 2019, 8:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
34
Cornwall graph for O3
5
Cornwall graph for PM2.5
7
Cornwall graph for NO2
   
33
Ottawa Downtown graph for O3
4
Ottawa Downtown graph for PM2.5
6
Ottawa Downtown graph for NO2
.3
Ottawa Downtown graph for SO2
.21
Ottawa Downtown graph for CO
43
Kingston graph for O3
3
Kingston graph for PM2.5
2
Kingston graph for NO2
   
41
Belleville graph for O3
7
Belleville graph for PM2.5
2
Belleville graph for NO2
   
37
Petawawa graph for O3
4
Petawawa graph for PM2.5
     
35
Peterborough graph for O3
11
Peterborough graph for PM2.5
5
Peterborough graph for NO2
   
26
Oshawa graph for O3
11
Oshawa graph for PM2.5
6
Oshawa graph for NO2
   
36
Dorset graph for O3
9
Dorset graph for PM2.5
     
39
St. Catharines graph for O3
7
St. Catharines graph for PM2.5
4
St. Catharines graph for NO2
   
24
Toronto East graph for O3
7
Toronto East graph for PM2.5
15
Toronto East graph for NO2
   
20
Toronto Downtown graph for O3
10
Toronto Downtown graph for PM2.5
17
Toronto Downtown graph for NO2
   
38
North Bay graph for O3
5
North Bay graph for PM2.5
3
North Bay graph for NO2
   
12
Toronto North graph for O3
9
Toronto North graph for PM2.5
25
Toronto North graph for NO2
.1
Toronto North graph for SO2
 
28
Newmarket  graph for O3
8
Newmarket  graph for PM2.5
8
Newmarket  graph for NO2
   
5
Toronto West graph for O3
12
Toronto West graph for PM2.5
33
Toronto West graph for NO2
.1
Toronto West graph for SO2
.42
Toronto West graph for CO
16
Mississauga graph for O3
5
Mississauga graph for PM2.5
16
Mississauga graph for NO2
   
9
Oakville  graph for O3
5
Oakville  graph for PM2.5
32
Oakville  graph for NO2
   
27
Barrie graph for O3
11
Barrie graph for PM2.5
8
Barrie graph for NO2
   
8
Brampton graph for O3
8
Brampton graph for PM2.5
28
Brampton graph for NO2
   
19
Burlington graph for O3
8
Burlington graph for PM2.5
19
Burlington graph for NO2
   
10
Hamilton Downtown graph for O3
15
Hamilton Downtown graph for PM2.5
33
Hamilton Downtown graph for NO2
6.6
Hamilton Downtown graph for SO2
.36
Hamilton Downtown graph for CO
9
Milton graph for O3
6
Milton graph for PM2.5
31
Milton graph for NO2
.8
Milton graph for SO2
 
15
Hamilton Mountain graph for O3
10
Hamilton Mountain graph for PM2.5
26
Hamilton Mountain graph for NO2
8.4
Hamilton Mountain graph for SO2
 
4
Hamilton West graph for O3
10
Hamilton West graph for PM2.5
38
Hamilton West graph for NO2
   
36
Parry Sound graph for O3
5
Parry Sound graph for PM2.5
2
Parry Sound graph for NO2
   
24
Guelph graph for O3
13
Guelph graph for PM2.5
9
Guelph graph for NO2
   
16
Brantford graph for O3
9
Brantford graph for PM2.5
8
Brantford graph for NO2
   
23
Kitchener graph for O3
3
Kitchener graph for PM2.5
11
Kitchener graph for NO2
   
33
Sudbury graph for O3
3
Sudbury graph for PM2.5
11
Sudbury graph for NO2
.1
Sudbury graph for SO2
 
42
Port Stanley graph for O3
6
Port Stanley graph for PM2.5
4
Port Stanley graph for NO2
   
34
London graph for O3
9
London graph for PM2.5
12
London graph for NO2
   
39
Tiverton graph for O3
9
Tiverton graph for PM2.5
N/A
Tiverton graph for NO2
   
40
Grand Bend graph for O3
3
Grand Bend graph for PM2.5
4
Grand Bend graph for NO2
   
39
Chatham graph for O3
11
Chatham graph for PM2.5
5
Chatham graph for NO2
   
30
Sarnia graph for O3
12
Sarnia graph for PM2.5
13
Sarnia graph for NO2
17
Sarnia graph for SO2
 
27
Windsor Downtown graph for O3
7
Windsor Downtown graph for PM2.5
12
Windsor Downtown graph for NO2
.2
Windsor Downtown graph for SO2
.24
Windsor Downtown graph for CO
30
Windsor West graph for O3
9
Windsor West graph for PM2.5
9
Windsor West graph for NO2
.2
Windsor West graph for SO2
 
40
Sault Ste Marie graph for O3
2
Sault Ste Marie graph for PM2.5
4
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
34
Thunder Bay graph for O3
2
Thunder Bay graph for PM2.5
12
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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