Pollutant Concentrations for January 28, 2020, 4:00 am EST

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Air Pollutant 1-Hour Concentrations For January 28, 2020, 4:00 am EST
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
35
Barrie graph for O3
2
Barrie graph for PM2.5
2.7
Barrie graph for NO2
   
31
Belleville graph for O3
1
Belleville graph for PM2.5
3
Belleville graph for NO2
   
40
Brampton graph for O3
1
Brampton graph for PM2.5
1.5
Brampton graph for NO2
   
33
Brantford graph for O3
2
Brantford graph for PM2.5
2.2
Brantford graph for NO2
   
34
Burlington graph for O3
4
Burlington graph for PM2.5
4.7
Burlington graph for NO2
   
14
Chatham graph for O3
4
Chatham graph for PM2.5
19.1
Chatham graph for NO2
   
27
Cornwall graph for O3
2
Cornwall graph for PM2.5
2.8
Cornwall graph for NO2
   
36
Dorset graph for O3
1
Dorset graph for PM2.5
     
43
Grand Bend graph for O3
3
Grand Bend graph for PM2.5
0
Grand Bend graph for NO2
   
31
Guelph graph for O3
0
Guelph graph for PM2.5
1
Guelph graph for NO2
   
30
Hamilton Downtown graph for O3
4
Hamilton Downtown graph for PM2.5
6.8
Hamilton Downtown graph for NO2
2.1
Hamilton Downtown graph for SO2
.16
Hamilton Downtown graph for CO
32
Hamilton Mountain graph for O3
3
Hamilton Mountain graph for PM2.5
4.5
Hamilton Mountain graph for NO2
2.1
Hamilton Mountain graph for SO2
 
24
Hamilton West graph for O3
2
Hamilton West graph for PM2.5
10.1
Hamilton West graph for NO2
   
30
Kingston graph for O3
2
Kingston graph for PM2.5
1.6
Kingston graph for NO2
   
34
Kitchener graph for O3
2
Kitchener graph for PM2.5
3.1
Kitchener graph for NO2
   
34
London graph for O3
2
London graph for PM2.5
5.4
London graph for NO2
   
40
Milton graph for O3
1
Milton graph for PM2.5
2.3
Milton graph for NO2
2.2
Milton graph for SO2
 
36
Mississauga graph for O3
1
Mississauga graph for PM2.5
3.2
Mississauga graph for NO2
   
34
Newmarket  graph for O3
4
Newmarket  graph for PM2.5
.5
Newmarket  graph for NO2
   
35
North Bay graph for O3
1
North Bay graph for PM2.5
1.7
North Bay graph for NO2
   
40
Oakville  graph for O3
2
Oakville  graph for PM2.5
1.6
Oakville  graph for NO2
   
31
Oshawa graph for O3
2
Oshawa graph for PM2.5
1.4
Oshawa graph for NO2
   
29
Ottawa Downtown graph for O3
2
Ottawa Downtown graph for PM2.5
4.9
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.12
Ottawa Downtown graph for CO
38
Parry Sound graph for O3
0
Parry Sound graph for PM2.5
.5
Parry Sound graph for NO2
   
36
Petawawa graph for O3
3
Petawawa graph for PM2.5
     
34
Peterborough graph for O3
0
Peterborough graph for PM2.5
1.2
Peterborough graph for NO2
   
29
Port Stanley graph for O3
1
Port Stanley graph for PM2.5
.9
Port Stanley graph for NO2
   
23
Sarnia graph for O3
6
Sarnia graph for PM2.5
2.4
Sarnia graph for NO2
.3
Sarnia graph for SO2
 
37
Sault Ste Marie graph for O3
1
Sault Ste Marie graph for PM2.5
2.8
Sault Ste Marie graph for NO2
.1
Sault Ste Marie graph for SO2
 
31
St. Catharines graph for O3
2
St. Catharines graph for PM2.5
4.7
St. Catharines graph for NO2
   
33
Sudbury graph for O3
1
Sudbury graph for PM2.5
7.7
Sudbury graph for NO2
.1
Sudbury graph for SO2
 
19
Thunder Bay graph for O3
3
Thunder Bay graph for PM2.5
9.6
Thunder Bay graph for NO2
   
39
Tiverton graph for O3
0
Tiverton graph for PM2.5
     
25
Toronto Downtown graph for O3
3
Toronto Downtown graph for PM2.5
11.3
Toronto Downtown graph for NO2
   
31
Toronto East graph for O3
3
Toronto East graph for PM2.5
4.1
Toronto East graph for NO2
   
30
Toronto North graph for O3
3
Toronto North graph for PM2.5
7.9
Toronto North graph for NO2
.1
Toronto North graph for SO2
 
17
Toronto West graph for O3
3
Toronto West graph for PM2.5
20.2
Toronto West graph for NO2
0
Toronto West graph for SO2
.2
Toronto West graph for CO
32
Windsor Downtown graph for O3
4
Windsor Downtown graph for PM2.5
4.1
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.17
Windsor Downtown graph for CO
32
Windsor West graph for O3
5
Windsor West graph for PM2.5
4.4
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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