Pollutant Concentrations for October 20, 2019, 10:00 pm EDT

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Air Pollutant 1-Hour Concentrations For October 20, 2019, 10:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
1
Barrie graph for O3
24
Barrie graph for PM2.5
18.9
Barrie graph for NO2
   
15
Belleville graph for O3
19
Belleville graph for PM2.5
11.9
Belleville graph for NO2
   
8
Brampton graph for O3
18
Brampton graph for PM2.5
19.5
Brampton graph for NO2
   
12
Brantford graph for O3
8
Brantford graph for PM2.5
5.3
Brantford graph for NO2
   
11
Burlington graph for O3
14
Burlington graph for PM2.5
25.2
Burlington graph for NO2
   
25
Chatham graph for O3
20
Chatham graph for PM2.5
12.5
Chatham graph for NO2
   
1
Cornwall graph for O3
12
Cornwall graph for PM2.5
15.8
Cornwall graph for NO2
   
13
Dorset graph for O3
9
Dorset graph for PM2.5
     
28
Grand Bend graph for O3
15
Grand Bend graph for PM2.5
4.2
Grand Bend graph for NO2
   
4
Guelph graph for O3
18
Guelph graph for PM2.5
19.3
Guelph graph for NO2
   
1
Hamilton Downtown graph for O3
18
Hamilton Downtown graph for PM2.5
31.5
Hamilton Downtown graph for NO2
.6
Hamilton Downtown graph for SO2
.07
Hamilton Downtown graph for CO
9
Hamilton Mountain graph for O3
18
Hamilton Mountain graph for PM2.5
20.3
Hamilton Mountain graph for NO2
.2
Hamilton Mountain graph for SO2
 
0
Hamilton West graph for O3
22
Hamilton West graph for PM2.5
24.1
Hamilton West graph for NO2
   
11
Kingston graph for O3
13
Kingston graph for PM2.5
13.7
Kingston graph for NO2
   
4
Kitchener graph for O3
16
Kitchener graph for PM2.5
19.4
Kitchener graph for NO2
   
8
London graph for O3
14
London graph for PM2.5
8.7
London graph for NO2
   
5
Milton graph for O3
17
Milton graph for PM2.5
26.1
Milton graph for NO2
N/A
Milton graph for SO2
 
2
Mississauga graph for O3
12
Mississauga graph for PM2.5
12.5
Mississauga graph for NO2
   
22
Newmarket  graph for O3
16
Newmarket  graph for PM2.5
8.5
Newmarket  graph for NO2
   
10
North Bay graph for O3
4
North Bay graph for PM2.5
12.6
North Bay graph for NO2
   
13
Oakville  graph for O3
15
Oakville  graph for PM2.5
19.8
Oakville  graph for NO2
   
3
Oshawa graph for O3
13
Oshawa graph for PM2.5
4.2
Oshawa graph for NO2
   
12
Ottawa Downtown graph for O3
12
Ottawa Downtown graph for PM2.5
11
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.23
Ottawa Downtown graph for CO
14
Parry Sound graph for O3
26
Parry Sound graph for PM2.5
10.9
Parry Sound graph for NO2
   
14
Petawawa graph for O3
6
Petawawa graph for PM2.5
     
16
Peterborough graph for O3
44
Peterborough graph for PM2.5
8.9
Peterborough graph for NO2
   
25
Port Stanley graph for O3
22
Port Stanley graph for PM2.5
3.4
Port Stanley graph for NO2
   
27
Sarnia graph for O3
18
Sarnia graph for PM2.5
6.3
Sarnia graph for NO2
0
Sarnia graph for SO2
 
12
Sault Ste Marie graph for O3
10
Sault Ste Marie graph for PM2.5
9.5
Sault Ste Marie graph for NO2
.1
Sault Ste Marie graph for SO2
 
4
St. Catharines graph for O3
25
St. Catharines graph for PM2.5
18
St. Catharines graph for NO2
   
3
Sudbury graph for O3
14
Sudbury graph for PM2.5
18.7
Sudbury graph for NO2
.1
Sudbury graph for SO2
 
18
Thunder Bay graph for O3
12
Thunder Bay graph for PM2.5
4
Thunder Bay graph for NO2
   
33
Tiverton graph for O3
12
Tiverton graph for PM2.5
N/A
Tiverton graph for NO2
   
23
Toronto Downtown graph for O3
13
Toronto Downtown graph for PM2.5
17.4
Toronto Downtown graph for NO2
   
17
Toronto East graph for O3
9
Toronto East graph for PM2.5
12.6
Toronto East graph for NO2
   
11
Toronto North graph for O3
19
Toronto North graph for PM2.5
16.5
Toronto North graph for NO2
0
Toronto North graph for SO2
 
3
Toronto West graph for O3
17
Toronto West graph for PM2.5
34.8
Toronto West graph for NO2
.2
Toronto West graph for SO2
.64
Toronto West graph for CO
6
Windsor Downtown graph for O3
23
Windsor Downtown graph for PM2.5
37.6
Windsor Downtown graph for NO2
.1
Windsor Downtown graph for SO2
.85
Windsor Downtown graph for CO
1
Windsor West graph for O3
30
Windsor West graph for PM2.5
38.9
Windsor West graph for NO2
.9
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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