Pollutant Concentrations for July 20, 2017, 8:00 am EDT

Choose Date Options:






Air Pollutant 1-Hour Concentrations For July 20, 2017, 8:00 am EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
12
Barrie graph for O3
8
Barrie graph for PM2.5
13
Barrie graph for NO2
   
20
Belleville graph for O3
6
Belleville graph for PM2.5
4
Belleville graph for NO2
   
13
Brampton graph for O3
9
Brampton graph for PM2.5
9
Brampton graph for NO2
   
4
Brantford graph for O3
7
Brantford graph for PM2.5
5
Brantford graph for NO2
   
5
Burlington graph for O3
14
Burlington graph for PM2.5
21
Burlington graph for NO2
   
36
Chatham graph for O3
8
Chatham graph for PM2.5
5
Chatham graph for NO2
   
36
Cornwall graph for O3
14
Cornwall graph for PM2.5
2
Cornwall graph for NO2
   
4
Dorset graph for O3
4
Dorset graph for PM2.5
     
20
Grand Bend graph for O3
8
Grand Bend graph for PM2.5
4
Grand Bend graph for NO2
   
3
Guelph graph for O3
11
Guelph graph for PM2.5
9
Guelph graph for NO2
   
5
Hamilton Downtown graph for O3
9
Hamilton Downtown graph for PM2.5
20
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.29
Hamilton Downtown graph for CO
8
Hamilton Mountain graph for O3
11
Hamilton Mountain graph for PM2.5
16
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
5
Hamilton West graph for O3
15
Hamilton West graph for PM2.5
16
Hamilton West graph for NO2
   
16
Kingston graph for O3
10
Kingston graph for PM2.5
4
Kingston graph for NO2
   
2
Kitchener graph for O3
11
Kitchener graph for PM2.5
10
Kitchener graph for NO2
   
13
London graph for O3
10
London graph for PM2.5
12
London graph for NO2
   
3
Mississauga graph for O3
9
Mississauga graph for PM2.5
14
Mississauga graph for NO2
   
13
Newmarket  graph for O3
9
Newmarket  graph for PM2.5
13
Newmarket  graph for NO2
   
15
North Bay graph for O3
10
North Bay graph for PM2.5
2
North Bay graph for NO2
   
13
Oakville  graph for O3
13
Oakville  graph for PM2.5
12
Oakville  graph for NO2
   
6
Oshawa graph for O3
16
Oshawa graph for PM2.5
11
Oshawa graph for NO2
   
10
Ottawa Central graph for O3
12
Ottawa Central graph for PM2.5
6
Ottawa Central graph for NO2
   
6
Ottawa Downtown graph for O3
10
Ottawa Downtown graph for PM2.5
6
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.24
Ottawa Downtown graph for CO
28
Parry Sound graph for O3
7
Parry Sound graph for PM2.5
1
Parry Sound graph for NO2
   
6
Petawawa graph for O3
12
Petawawa graph for PM2.5
     
19
Peterborough graph for O3
11
Peterborough graph for PM2.5
3
Peterborough graph for NO2
   
30
Port Stanley graph for O3
4
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
25
Sarnia graph for O3
6
Sarnia graph for PM2.5
9
Sarnia graph for NO2
0
Sarnia graph for SO2
 
11
Sault Ste Marie graph for O3
7
Sault Ste Marie graph for PM2.5
6
Sault Ste Marie graph for NO2
1
Sault Ste Marie graph for SO2
 
5
St. Catharines graph for O3
10
St. Catharines graph for PM2.5
14
St. Catharines graph for NO2
   
20
Sudbury graph for O3
11
Sudbury graph for PM2.5
7
Sudbury graph for NO2
0
Sudbury graph for SO2
 
5
Thunder Bay graph for O3
21
Thunder Bay graph for PM2.5
6
Thunder Bay graph for NO2
   
12
Tiverton graph for O3
8
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
10
Toronto Downtown graph for O3
16
Toronto Downtown graph for PM2.5
21
Toronto Downtown graph for NO2
   
4
Toronto East graph for O3
13
Toronto East graph for PM2.5
25
Toronto East graph for NO2
   
2
Toronto North graph for O3
15
Toronto North graph for PM2.5
19
Toronto North graph for NO2
0
Toronto North graph for SO2
 
4
Toronto West graph for O3
18
Toronto West graph for PM2.5
19
Toronto West graph for NO2
0
Toronto West graph for SO2
.32
Toronto West graph for CO
20
Windsor Downtown graph for O3
9
Windsor Downtown graph for PM2.5
12
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.2
Windsor Downtown graph for CO
17
Windsor West graph for O3
11
Windsor West graph for PM2.5
12
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.

Disclaimer