Pollutant Concentrations for July 12, 2020, 8:00 pm EDT

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Air Pollutant 1-Hour Concentrations For July 12, 2020, 8:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
18
Barrie graph for O3
3
Barrie graph for PM2.5
.7
Barrie graph for NO2
   
29
Belleville graph for O3
2
Belleville graph for PM2.5
1.9
Belleville graph for NO2
   
26
Brampton graph for O3
4
Brampton graph for PM2.5
0
Brampton graph for NO2
   
24
Brantford graph for O3
9
Brantford graph for PM2.5
1.1
Brantford graph for NO2
   
25
Burlington graph for O3
2
Burlington graph for PM2.5
2.8
Burlington graph for NO2
   
28
Chatham graph for O3
2
Chatham graph for PM2.5
1.5
Chatham graph for NO2
   
24
Cornwall graph for O3
5
Cornwall graph for PM2.5
1.3
Cornwall graph for NO2
   
15
Dorset graph for O3
1
Dorset graph for PM2.5
     
17
Grand Bend graph for O3
2
Grand Bend graph for PM2.5
.3
Grand Bend graph for NO2
   
20
Guelph graph for O3
4
Guelph graph for PM2.5
1.2
Guelph graph for NO2
   
24
Hamilton Downtown graph for O3
6
Hamilton Downtown graph for PM2.5
2.9
Hamilton Downtown graph for NO2
1.6
Hamilton Downtown graph for SO2
.14
Hamilton Downtown graph for CO
25
Hamilton Mountain graph for O3
4
Hamilton Mountain graph for PM2.5
1.9
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
22
Hamilton West graph for O3
2
Hamilton West graph for PM2.5
7.6
Hamilton West graph for NO2
   
18
Kingston graph for O3
2
Kingston graph for PM2.5
2.3
Kingston graph for NO2
   
19
Kitchener graph for O3
6
Kitchener graph for PM2.5
0
Kitchener graph for NO2
   
26
London graph for O3
2
London graph for PM2.5
.6
London graph for NO2
   
22
Milton graph for O3
2
Milton graph for PM2.5
1.4
Milton graph for NO2
N/A
Milton graph for SO2
 
21
Mississauga graph for O3
2
Mississauga graph for PM2.5
2.4
Mississauga graph for NO2
   
17
Newmarket  graph for O3
2
Newmarket  graph for PM2.5
.7
Newmarket  graph for NO2
   
13
North Bay graph for O3
2
North Bay graph for PM2.5
.9
North Bay graph for NO2
   
21
Oakville  graph for O3
4
Oakville  graph for PM2.5
1.8
Oakville  graph for NO2
   
19
Oshawa graph for O3
4
Oshawa graph for PM2.5
1
Oshawa graph for NO2
   
18
Ottawa Downtown graph for O3
3
Ottawa Downtown graph for PM2.5
1.2
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.14
Ottawa Downtown graph for CO
17
Parry Sound graph for O3
2
Parry Sound graph for PM2.5
.7
Parry Sound graph for NO2
   
17
Petawawa graph for O3
3
Petawawa graph for PM2.5
     
22
Peterborough graph for O3
1
Peterborough graph for PM2.5
.6
Peterborough graph for NO2
   
25
Port Stanley graph for O3
7
Port Stanley graph for PM2.5
.8
Port Stanley graph for NO2
   
20
Sarnia graph for O3
0
Sarnia graph for PM2.5
.5
Sarnia graph for NO2
.1
Sarnia graph for SO2
 
15
Sault Ste Marie graph for O3
3
Sault Ste Marie graph for PM2.5
1.2
Sault Ste Marie graph for NO2
.3
Sault Ste Marie graph for SO2
 
32
St. Catharines graph for O3
2
St. Catharines graph for PM2.5
3.3
St. Catharines graph for NO2
   
14
Sudbury graph for O3
1
Sudbury graph for PM2.5
1.1
Sudbury graph for NO2
0
Sudbury graph for SO2
 
21
Thunder Bay graph for O3
3
Thunder Bay graph for PM2.5
.8
Thunder Bay graph for NO2
   
15
Tiverton graph for O3
2
Tiverton graph for PM2.5
     
20
Toronto Downtown graph for O3
7
Toronto Downtown graph for PM2.5
4.7
Toronto Downtown graph for NO2
   
20
Toronto East graph for O3
4
Toronto East graph for PM2.5
2.5
Toronto East graph for NO2
   
21
Toronto North graph for O3
5
Toronto North graph for PM2.5
1.1
Toronto North graph for NO2
0
Toronto North graph for SO2
 
20
Toronto West graph for O3
8
Toronto West graph for PM2.5
3.6
Toronto West graph for NO2
0
Toronto West graph for SO2
.21
Toronto West graph for CO
38
Windsor Downtown graph for O3
11
Windsor Downtown graph for PM2.5
2.1
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.15
Windsor Downtown graph for CO
37
Windsor West graph for O3
5
Windsor West graph for PM2.5
2.1
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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