Pollutant Concentrations for February 27, 2024, 12:00 pm EST

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Air Pollutant 1-Hour Concentrations For February 27, 2024, 12:00 pm EST
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
32
Barrie graph for O3
19
Barrie graph for PM2.5
15
Barrie graph for NO2
   
38
Belleville graph for O3
12
Belleville graph for PM2.5
3.7
Belleville graph for NO2
   
9
Brampton graph for O3
16
Brampton graph for PM2.5
34.8
Brampton graph for NO2
   
39
Brantford graph for O3
19
Brantford graph for PM2.5
5.4
Brantford graph for NO2
   
8
Burlington graph for O3
16
Burlington graph for PM2.5
26.3
Burlington graph for NO2
   
46
Chatham graph for O3
19
Chatham graph for PM2.5
5.8
Chatham graph for NO2
   
30
Cornwall graph for O3
10
Cornwall graph for PM2.5
6.5
Cornwall graph for NO2
   
47
Dorset graph for O3
10
Dorset graph for PM2.5
     
42
Grand Bend graph for O3
18
Grand Bend graph for PM2.5
4.2
Grand Bend graph for NO2
   
38
Guelph graph for O3
18
Guelph graph for PM2.5
9
Guelph graph for NO2
   
9
Hamilton Downtown graph for O3
27
Hamilton Downtown graph for PM2.5
35.8
Hamilton Downtown graph for NO2
3.6
Hamilton Downtown graph for SO2
0.49
Hamilton Downtown graph for CO
35
Hamilton Mountain graph for O3
19
Hamilton Mountain graph for PM2.5
6.1
Hamilton Mountain graph for NO2
2.7
Hamilton Mountain graph for SO2
 
7
Hamilton West graph for O3
21
Hamilton West graph for PM2.5
33.9
Hamilton West graph for NO2
   
42
Kingston graph for O3
11
Kingston graph for PM2.5
3.2
Kingston graph for NO2
   
39
Kitchener graph for O3
18
Kitchener graph for PM2.5
6.5
Kitchener graph for NO2
   
35
London graph for O3
20
London graph for PM2.5
9.3
London graph for NO2
   
14
Milton graph for O3
19
Milton graph for PM2.5
28.9
Milton graph for NO2
1.6
Milton graph for SO2
 
24
Mississauga graph for O3
12
Mississauga graph for PM2.5
11.3
Mississauga graph for NO2
   
N/A
Newmarket graph for O3
N/A
Newmarket graph for PM2.5
N/A
Newmarket graph for NO2
   
30
North Bay graph for O3
13
North Bay graph for PM2.5
12.4
North Bay graph for NO2
   
23
Oakville graph for O3
15
Oakville graph for PM2.5
18.3
Oakville graph for NO2
   
41
Oshawa graph for O3
14
Oshawa graph for PM2.5
6.4
Oshawa graph for NO2
   
31
Ottawa Downtown graph for O3
9
Ottawa Downtown graph for PM2.5
6.1
Ottawa Downtown graph for NO2
   
40
Parry Sound graph for O3
12
Parry Sound graph for PM2.5
4
Parry Sound graph for NO2
   
41
Peterborough graph for O3
14
Peterborough graph for PM2.5
4.1
Peterborough graph for NO2
   
N/A
Port Stanley graph for O3
N/A
Port Stanley graph for PM2.5
N/A
Port Stanley graph for NO2
   
42
Sarnia graph for O3
19
Sarnia graph for PM2.5
8.8
Sarnia graph for NO2
8.4
Sarnia graph for SO2
 
36
Sault Ste. Marie graph for O3
16
Sault Ste. Marie graph for PM2.5
3.8
Sault Ste. Marie graph for NO2
0.3
Sault Ste. Marie graph for SO2
 
43
St. Catharines graph for O3
14
St. Catharines graph for PM2.5
5.9
St. Catharines graph for NO2
   
31
Sudbury graph for O3
16
Sudbury graph for PM2.5
13
Sudbury graph for NO2
0.6
Sudbury graph for SO2
 
23
Thunder Bay graph for O3
5
Thunder Bay graph for PM2.5
11
Thunder Bay graph for NO2
   
40
Tiverton graph for O3
16
Tiverton graph for PM2.5
     
16
Toronto Downtown graph for O3
18
Toronto Downtown graph for PM2.5
34.3
Toronto Downtown graph for NO2
   
33
Toronto East graph for O3
15
Toronto East graph for PM2.5
9.1
Toronto East graph for NO2
   
36
Toronto North graph for O3
15
Toronto North graph for PM2.5
11.3
Toronto North graph for NO2
0.2
Toronto North graph for SO2
 
30
Toronto West graph for O3
15
Toronto West graph for PM2.5
9.3
Toronto West graph for NO2
0.3
Toronto West graph for SO2
0.21
Toronto West graph for CO
42
Windsor Downtown graph for O3
21
Windsor Downtown graph for PM2.5
5.3
Windsor Downtown graph for NO2
0.7
Windsor Downtown graph for SO2
0.25
Windsor Downtown graph for CO
42
Windsor West graph for O3
23
Windsor West graph for PM2.5
4.5
Windsor West graph for NO2
0.7
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 = 40 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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