Pollutant Concentrations for September 25, 2018, 12:00 pm EDT

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Air Pollutant 1-Hour Concentrations For September 25, 2018, 12:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
12
Barrie graph for O3
4
Barrie graph for PM2.5
12
Barrie graph for NO2
   
21
Belleville graph for O3
1
Belleville graph for PM2.5
1
Belleville graph for NO2
   
15
Brampton graph for O3
2
Brampton graph for PM2.5
6
Brampton graph for NO2
   
16
Brantford graph for O3
2
Brantford graph for PM2.5
2
Brantford graph for NO2
   
13
Burlington graph for O3
5
Burlington graph for PM2.5
11
Burlington graph for NO2
   
12
Chatham graph for O3
16
Chatham graph for PM2.5
2
Chatham graph for NO2
   
18
Cornwall graph for O3
3
Cornwall graph for PM2.5
3
Cornwall graph for NO2
   
21
Dorset graph for O3
2
Dorset graph for PM2.5
     
12
Grand Bend graph for O3
2
Grand Bend graph for PM2.5
2
Grand Bend graph for NO2
   
14
Guelph graph for O3
2
Guelph graph for PM2.5
4
Guelph graph for NO2
   
18
Hamilton Downtown graph for O3
7
Hamilton Downtown graph for PM2.5
5
Hamilton Downtown graph for NO2
1
Hamilton Downtown graph for SO2
.18
Hamilton Downtown graph for CO
19
Hamilton Mountain graph for O3
5
Hamilton Mountain graph for PM2.5
3
Hamilton Mountain graph for NO2
1
Hamilton Mountain graph for SO2
 
17
Hamilton West graph for O3
2
Hamilton West graph for PM2.5
5
Hamilton West graph for NO2
   
24
Kingston graph for O3
1
Kingston graph for PM2.5
1
Kingston graph for NO2
   
12
Kitchener graph for O3
1
Kitchener graph for PM2.5
4
Kitchener graph for NO2
   
14
London graph for O3
3
London graph for PM2.5
2
London graph for NO2
   
10
Mississauga graph for O3
3
Mississauga graph for PM2.5
10
Mississauga graph for NO2
   
17
Newmarket  graph for O3
0
Newmarket  graph for PM2.5
6
Newmarket  graph for NO2
   
20
North Bay graph for O3
1
North Bay graph for PM2.5
3
North Bay graph for NO2
   
14
Oakville  graph for O3
5
Oakville  graph for PM2.5
8
Oakville  graph for NO2
   
18
Oshawa graph for O3
1
Oshawa graph for PM2.5
3
Oshawa graph for NO2
   
14
Ottawa Downtown graph for O3
2
Ottawa Downtown graph for PM2.5
4
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.17
Ottawa Downtown graph for CO
21
Parry Sound graph for O3
0
Parry Sound graph for PM2.5
2
Parry Sound graph for NO2
   
16
Petawawa graph for O3
5
Petawawa graph for PM2.5
     
18
Peterborough graph for O3
4
Peterborough graph for PM2.5
4
Peterborough graph for NO2
   
17
Port Stanley graph for O3
18
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
12
Sarnia graph for O3
30
Sarnia graph for PM2.5
8
Sarnia graph for NO2
4
Sarnia graph for SO2
 
25
Sault Ste Marie graph for O3
27
Sault Ste Marie graph for PM2.5
6
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
20
St. Catharines graph for O3
2
St. Catharines graph for PM2.5
3
St. Catharines graph for NO2
   
16
Sudbury graph for O3
3
Sudbury graph for PM2.5
4
Sudbury graph for NO2
0
Sudbury graph for SO2
 
15
Thunder Bay graph for O3
1
Thunder Bay graph for PM2.5
2
Thunder Bay graph for NO2
   
14
Tiverton graph for O3
10
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
17
Toronto Downtown graph for O3
3
Toronto Downtown graph for PM2.5
9
Toronto Downtown graph for NO2
   
19
Toronto East graph for O3
2
Toronto East graph for PM2.5
3
Toronto East graph for NO2
   
17
Toronto North graph for O3
2
Toronto North graph for PM2.5
5
Toronto North graph for NO2
0
Toronto North graph for SO2
 
16
Toronto West graph for O3
0
Toronto West graph for PM2.5
6
Toronto West graph for NO2
0
Toronto West graph for SO2
.17
Toronto West graph for CO
14
Windsor Downtown graph for O3
7
Windsor Downtown graph for PM2.5
5
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.16
Windsor Downtown graph for CO
14
Windsor West graph for O3
9
Windsor West graph for PM2.5
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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