Pollutant Concentrations for April 24, 2024, 8:00 am EDT

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Air Pollutant 1-Hour Concentrations For April 24, 2024, 8:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
16
Thunder Bay graph for O3
5
Thunder Bay graph for PM2.5
14.7
Thunder Bay graph for NO2
   
31
Sault Ste. Marie graph for O3
3
Sault Ste. Marie graph for PM2.5
0.9
Sault Ste. Marie graph for NO2
0
Sault Ste. Marie graph for SO2
 
28
Windsor West graph for O3
3
Windsor West graph for PM2.5
4.8
Windsor West graph for NO2
0
Windsor West graph for SO2
 
23
Windsor Downtown graph for O3
2
Windsor Downtown graph for PM2.5
10.6
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
0.17
Windsor Downtown graph for CO
34
Sarnia graph for O3
1
Sarnia graph for PM2.5
1.2
Sarnia graph for NO2
0.2
Sarnia graph for SO2
 
29
Chatham graph for O3
4
Chatham graph for PM2.5
2.8
Chatham graph for NO2
   
33
Grand Bend graph for O3
2
Grand Bend graph for PM2.5
0.4
Grand Bend graph for NO2
   
32
Tiverton graph for O3
2
Tiverton graph for PM2.5
     
29
London graph for O3
3
London graph for PM2.5
4.5
London graph for NO2
   
32
Port Stanley graph for O3
3
Port Stanley graph for PM2.5
1.2
Port Stanley graph for NO2
   
31
Sudbury graph for O3
3
Sudbury graph for PM2.5
2.1
Sudbury graph for NO2
0
Sudbury graph for SO2
 
34
Kitchener graph for O3
7
Kitchener graph for PM2.5
3.2
Kitchener graph for NO2
   
32
Brantford graph for O3
5
Brantford graph for PM2.5
3.5
Brantford graph for NO2
   
35
Guelph graph for O3
5
Guelph graph for PM2.5
2.2
Guelph graph for NO2
   
33
Parry Sound graph for O3
3
Parry Sound graph for PM2.5
1.3
Parry Sound graph for NO2
   
32
Hamilton West graph for O3
5
Hamilton West graph for PM2.5
4.5
Hamilton West graph for NO2
   
36
Hamilton Mountain graph for O3
5
Hamilton Mountain graph for PM2.5
3.6
Hamilton Mountain graph for NO2
0.1
Hamilton Mountain graph for SO2
 
27
Milton graph for O3
4
Milton graph for PM2.5
12.8
Milton graph for NO2
0.2
Milton graph for SO2
 
28
Hamilton Downtown graph for O3
5
Hamilton Downtown graph for PM2.5
11.5
Hamilton Downtown graph for NO2
0.5
Hamilton Downtown graph for SO2
0.18
Hamilton Downtown graph for CO
22
Burlington graph for O3
5
Burlington graph for PM2.5
14.5
Burlington graph for NO2
   
31
Brampton graph for O3
3
Brampton graph for PM2.5
5.1
Brampton graph for NO2
   
26
Barrie graph for O3
1
Barrie graph for PM2.5
2.1
Barrie graph for NO2
   
26
Oakville graph for O3
4
Oakville graph for PM2.5
10.6
Oakville graph for NO2
   
27
Mississauga graph for O3
3
Mississauga graph for PM2.5
9.9
Mississauga graph for NO2
   
25
Toronto West graph for O3
5
Toronto West graph for PM2.5
15.8
Toronto West graph for NO2
0
Toronto West graph for SO2
0.21
Toronto West graph for CO
26
Newmarket graph for O3
2
Newmarket graph for PM2.5
2.3
Newmarket graph for NO2
   
31
Toronto North graph for O3
5
Toronto North graph for PM2.5
8.9
Toronto North graph for NO2
0
Toronto North graph for SO2
 
28
North Bay graph for O3
3
North Bay graph for PM2.5
0.8
North Bay graph for NO2
   
30
Toronto Downtown graph for O3
7
Toronto Downtown graph for PM2.5
17.2
Toronto Downtown graph for NO2
   
30
Toronto East graph for O3
5
Toronto East graph for PM2.5
12.2
Toronto East graph for NO2
   
28
St. Catharines graph for O3
5
St. Catharines graph for PM2.5
10.5
St. Catharines graph for NO2
   
34
Dorset graph for O3
2
Dorset graph for PM2.5
     
28
Oshawa graph for O3
4
Oshawa graph for PM2.5
1.4
Oshawa graph for NO2
   
24
Peterborough graph for O3
1
Peterborough graph for PM2.5
1.2
Peterborough graph for NO2
   
29
Belleville graph for O3
5
Belleville graph for PM2.5
3
Belleville graph for NO2
   
36
Kingston graph for O3
6
Kingston graph for PM2.5
3.9
Kingston graph for NO2
   
31
Ottawa Downtown graph for O3
1
Ottawa Downtown graph for PM2.5
0.7
Ottawa Downtown graph for NO2
   
40
Cornwall graph for O3
5
Cornwall graph for PM2.5
2.1
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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