Pollutant Concentrations for July 27, 2024, 12:00 am EDT

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Air Pollutant 1-Hour Concentrations For July 27, 2024, 12:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
27
Thunder Bay graph for O3
13
Thunder Bay graph for PM2.5
15.7
Thunder Bay graph for NO2
   
28
Sault Ste. Marie graph for O3
6
Sault Ste. Marie graph for PM2.5
2.9
Sault Ste. Marie graph for NO2
0
Sault Ste. Marie graph for SO2
 
19
Windsor West graph for O3
10
Windsor West graph for PM2.5
11.4
Windsor West graph for NO2
0.1
Windsor West graph for SO2
 
21
Windsor Downtown graph for O3
10
Windsor Downtown graph for PM2.5
10.5
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
0.25
Windsor Downtown graph for CO
22
Sarnia graph for O3
7
Sarnia graph for PM2.5
6
Sarnia graph for NO2
0.1
Sarnia graph for SO2
 
25
Chatham graph for O3
8
Chatham graph for PM2.5
4.4
Chatham graph for NO2
   
15
Grand Bend graph for O3
5
Grand Bend graph for PM2.5
2.4
Grand Bend graph for NO2
   
16
Tiverton graph for O3
5
Tiverton graph for PM2.5
     
7
London graph for O3
9
London graph for PM2.5
8.3
London graph for NO2
   
17
Port Stanley graph for O3
8
Port Stanley graph for PM2.5
2.4
Port Stanley graph for NO2
   
26
Sudbury graph for O3
8
Sudbury graph for PM2.5
2
Sudbury graph for NO2
2.3
Sudbury graph for SO2
 
15
Kitchener graph for O3
9
Kitchener graph for PM2.5
3.7
Kitchener graph for NO2
   
24
Brantford graph for O3
8
Brantford graph for PM2.5
2.1
Brantford graph for NO2
   
15
Guelph graph for O3
9
Guelph graph for PM2.5
2.9
Guelph graph for NO2
   
17
Parry Sound graph for O3
5
Parry Sound graph for PM2.5
2.6
Parry Sound graph for NO2
   
21
Hamilton West graph for O3
8
Hamilton West graph for PM2.5
8.7
Hamilton West graph for NO2
   
31
Hamilton Mountain graph for O3
8
Hamilton Mountain graph for PM2.5
4.3
Hamilton Mountain graph for NO2
0.4
Hamilton Mountain graph for SO2
 
16
Milton graph for O3
9
Milton graph for PM2.5
7.6
Milton graph for NO2
0.2
Milton graph for SO2
 
29
Hamilton Downtown graph for O3
8
Hamilton Downtown graph for PM2.5
4.2
Hamilton Downtown graph for NO2
0.7
Hamilton Downtown graph for SO2
0.18
Hamilton Downtown graph for CO
23
Burlington graph for O3
7
Burlington graph for PM2.5
11.2
Burlington graph for NO2
   
12
Brampton graph for O3
9
Brampton graph for PM2.5
10.7
Brampton graph for NO2
   
13
Barrie graph for O3
7
Barrie graph for PM2.5
4.3
Barrie graph for NO2
   
15
Oakville graph for O3
10
Oakville graph for PM2.5
14.9
Oakville graph for NO2
   
12
Mississauga graph for O3
7
Mississauga graph for PM2.5
10.6
Mississauga graph for NO2
   
7
Toronto West graph for O3
10
Toronto West graph for PM2.5
14.1
Toronto West graph for NO2
0
Toronto West graph for SO2
0.28
Toronto West graph for CO
14
Newmarket graph for O3
9
Newmarket graph for PM2.5
6
Newmarket graph for NO2
   
16
Toronto North graph for O3
6
Toronto North graph for PM2.5
4.7
Toronto North graph for NO2
0
Toronto North graph for SO2
 
23
North Bay graph for O3
6
North Bay graph for PM2.5
0.3
North Bay graph for NO2
   
14
Toronto Downtown graph for O3
16
Toronto Downtown graph for PM2.5
11.2
Toronto Downtown graph for NO2
   
11
Toronto East graph for O3
10
Toronto East graph for PM2.5
14.3
Toronto East graph for NO2
   
15
St. Catharines graph for O3
14
St. Catharines graph for PM2.5
10
St. Catharines graph for NO2
   
6
Dorset graph for O3
6
Dorset graph for PM2.5
     
7
Oshawa graph for O3
6
Oshawa graph for PM2.5
2.6
Oshawa graph for NO2
   
19
Peterborough graph for O3
8
Peterborough graph for PM2.5
2.7
Peterborough graph for NO2
   
28
Belleville graph for O3
7
Belleville graph for PM2.5
7.3
Belleville graph for NO2
   
35
Kingston graph for O3
5
Kingston graph for PM2.5
1.6
Kingston graph for NO2
   
16
Ottawa Downtown graph for O3
19
Ottawa Downtown graph for PM2.5
4.2
Ottawa Downtown graph for NO2
   
23
Cornwall graph for O3
12
Cornwall graph for PM2.5
2.5
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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