Pollutant Concentrations for April 26, 2024, 1:00 am EDT

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Air Pollutant 1-Hour Concentrations For April 26, 2024, 1:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
37
Thunder Bay graph for O3
3
Thunder Bay graph for PM2.5
10.4
Thunder Bay graph for NO2
   
30
Sault Ste. Marie graph for O3
3
Sault Ste. Marie graph for PM2.5
2.5
Sault Ste. Marie graph for NO2
0
Sault Ste. Marie graph for SO2
 
22
Windsor West graph for O3
6
Windsor West graph for PM2.5
19.5
Windsor West graph for NO2
0
Windsor West graph for SO2
 
32
Windsor Downtown graph for O3
5
Windsor Downtown graph for PM2.5
9.1
Windsor Downtown graph for NO2
0.1
Windsor Downtown graph for SO2
0.18
Windsor Downtown graph for CO
26
Sarnia graph for O3
5
Sarnia graph for PM2.5
7.6
Sarnia graph for NO2
0.1
Sarnia graph for SO2
 
31
Chatham graph for O3
5
Chatham graph for PM2.5
6.2
Chatham graph for NO2
   
25
Grand Bend graph for O3
4
Grand Bend graph for PM2.5
1.9
Grand Bend graph for NO2
   
24
Tiverton graph for O3
3
Tiverton graph for PM2.5
     
13
London graph for O3
6
London graph for PM2.5
8.5
London graph for NO2
   
27
Port Stanley graph for O3
7
Port Stanley graph for PM2.5
3.1
Port Stanley graph for NO2
   
25
Sudbury graph for O3
4
Sudbury graph for PM2.5
7.5
Sudbury graph for NO2
0.2
Sudbury graph for SO2
 
12
Kitchener graph for O3
8
Kitchener graph for PM2.5
20.1
Kitchener graph for NO2
   
14
Brantford graph for O3
6
Brantford graph for PM2.5
12.9
Brantford graph for NO2
   
20
Guelph graph for O3
4
Guelph graph for PM2.5
10.9
Guelph graph for NO2
   
16
Parry Sound graph for O3
6
Parry Sound graph for PM2.5
8.5
Parry Sound graph for NO2
   
1
Hamilton West graph for O3
5
Hamilton West graph for PM2.5
29.2
Hamilton West graph for NO2
   
8
Hamilton Mountain graph for O3
6
Hamilton Mountain graph for PM2.5
20.1
Hamilton Mountain graph for NO2
4.4
Hamilton Mountain graph for SO2
 
2
Milton graph for O3
7
Milton graph for PM2.5
33.1
Milton graph for NO2
0.3
Milton graph for SO2
 
7
Hamilton Downtown graph for O3
5
Hamilton Downtown graph for PM2.5
28
Hamilton Downtown graph for NO2
1.7
Hamilton Downtown graph for SO2
0.2
Hamilton Downtown graph for CO
14
Burlington graph for O3
5
Burlington graph for PM2.5
21.5
Burlington graph for NO2
   
2
Brampton graph for O3
7
Brampton graph for PM2.5
36.1
Brampton graph for NO2
   
19
Barrie graph for O3
6
Barrie graph for PM2.5
7.2
Barrie graph for NO2
   
9
Oakville graph for O3
6
Oakville graph for PM2.5
24.1
Oakville graph for NO2
   
7
Mississauga graph for O3
5
Mississauga graph for PM2.5
19.5
Mississauga graph for NO2
   
1
Toronto West graph for O3
7
Toronto West graph for PM2.5
35.5
Toronto West graph for NO2
0
Toronto West graph for SO2
0.35
Toronto West graph for CO
10
Newmarket graph for O3
7
Newmarket graph for PM2.5
19.1
Newmarket graph for NO2
   
11
Toronto North graph for O3
68
Toronto North graph for PM2.5
27.9
Toronto North graph for NO2
0
Toronto North graph for SO2
 
5
North Bay graph for O3
5
North Bay graph for PM2.5
15.4
North Bay graph for NO2
   
7
Toronto Downtown graph for O3
7
Toronto Downtown graph for PM2.5
43.2
Toronto Downtown graph for NO2
   
5
Toronto East graph for O3
5
Toronto East graph for PM2.5
27.9
Toronto East graph for NO2
   
9
St. Catharines graph for O3
5
St. Catharines graph for PM2.5
18.6
St. Catharines graph for NO2
   
19
Dorset graph for O3
3
Dorset graph for PM2.5
     
9
Oshawa graph for O3
4
Oshawa graph for PM2.5
4.6
Oshawa graph for NO2
   
14
Peterborough graph for O3
6
Peterborough graph for PM2.5
10
Peterborough graph for NO2
   
25
Belleville graph for O3
4
Belleville graph for PM2.5
5.4
Belleville graph for NO2
   
17
Kingston graph for O3
6
Kingston graph for PM2.5
11.7
Kingston graph for NO2
   
14
Ottawa Downtown graph for O3
6
Ottawa Downtown graph for PM2.5
10.8
Ottawa Downtown graph for NO2
   
18
Cornwall graph for O3
6
Cornwall graph for PM2.5
7.8
Cornwall 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 = 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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