Current Pollutant Concentrations

Air Pollutant 1-Hour Concentrations For Monday, August 31, 2015, 9:00 pm
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
28
Barrie graph for O3
11
Barrie graph for PM2.5
6
Barrie graph for NO2
   
50
Belleville graph for O3
18
Belleville graph for PM2.5
5
Belleville graph for NO2
   
35
Brampton graph for O3
14
Brampton graph for PM2.5
7
Brampton graph for NO2
   
42
Brantford graph for O3
12
Brantford graph for PM2.5
2
Brantford graph for NO2
   
28
Burlington graph for O3
16
Burlington graph for PM2.5
21
Burlington graph for NO2
   
56
Chatham graph for O3
12
Chatham graph for PM2.5
11
Chatham graph for NO2
   
27
Cornwall graph for O3
25
Cornwall graph for PM2.5
7
Cornwall graph for NO2
   
13
Dorset graph for O3
11
Dorset graph for PM2.5
     
25
Grand Bend graph for O3
20
Grand Bend graph for PM2.5
4
Grand Bend graph for NO2
   
33
Guelph graph for O3
26
Guelph graph for PM2.5
6
Guelph graph for NO2
   
38
Hamilton Downtown graph for O3
16
Hamilton Downtown graph for PM2.5
11
Hamilton Downtown graph for NO2
0
Hamilton Downtown graph for SO2
.29
Hamilton Downtown graph for CO
43
Hamilton Mountain graph for O3
11
Hamilton Mountain graph for PM2.5
8
Hamilton Mountain graph for NO2
1
Hamilton Mountain graph for SO2
 
36
Hamilton West graph for O3
13
Hamilton West graph for PM2.5
9
Hamilton West graph for NO2
   
47
Kingston graph for O3
18
Kingston graph for PM2.5
4
Kingston graph for NO2
   
35
Kitchener graph for O3
16
Kitchener graph for PM2.5
4
Kitchener graph for NO2
   
46
London graph for O3
25
London graph for PM2.5
5
London graph for NO2
   
42
Mississauga graph for O3
13
Mississauga graph for PM2.5
6
Mississauga graph for NO2
0
Mississauga graph for SO2
 
35
Newmarket  graph for O3
11
Newmarket  graph for PM2.5
4
Newmarket  graph for NO2
   
15
North Bay graph for O3
21
North Bay graph for PM2.5
9
North Bay graph for NO2
   
42
Oakville  graph for O3
14
Oakville  graph for PM2.5
4
Oakville  graph for NO2
   
31
Oshawa graph for O3
14
Oshawa graph for PM2.5
5
Oshawa graph for NO2
   
29
Ottawa Central graph for O3
18
Ottawa Central graph for PM2.5
3
Ottawa Central graph for NO2
   
27
Ottawa Downtown graph for O3
19
Ottawa Downtown graph for PM2.5
3
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.27
Ottawa Downtown graph for CO
38
Parry Sound graph for O3
8
Parry Sound graph for PM2.5
1
Parry Sound graph for NO2
   
14
Petawawa graph for O3
18
Petawawa graph for PM2.5
     
34
Peterborough graph for O3
11
Peterborough graph for PM2.5
6
Peterborough graph for NO2
   
28
Port Stanley graph for O3
17
Port Stanley graph for PM2.5
2
Port Stanley graph for NO2
   
23
Sarnia graph for O3
19
Sarnia graph for PM2.5
20
Sarnia graph for NO2
0
Sarnia graph for SO2
 
34
Sault Ste Marie graph for O3
10
Sault Ste Marie graph for PM2.5
3
Sault Ste Marie graph for NO2
1
Sault Ste Marie graph for SO2
 
49
St. Catharines graph for O3
17
St. Catharines graph for PM2.5
3
St. Catharines graph for NO2
   
26
Sudbury graph for O3
18
Sudbury graph for PM2.5
2
Sudbury graph for NO2
2
Sudbury graph for SO2
 
N/A
Thunder Bay graph for O3
14
Thunder Bay graph for PM2.5
4
Thunder Bay graph for NO2
   
42
Tiverton graph for O3
20
Tiverton graph for PM2.5
0
Tiverton graph for NO2
   
34
Toronto Downtown graph for O3
15
Toronto Downtown graph for PM2.5
12
Toronto Downtown graph for NO2
   
34
Toronto East graph for O3
13
Toronto East graph for PM2.5
10
Toronto East graph for NO2
   
N/A
Toronto North graph for O3
11
Toronto North graph for PM2.5
13
Toronto North graph for NO2
   
15
Toronto West graph for O3
15
Toronto West graph for PM2.5
28
Toronto West graph for NO2
0
Toronto West graph for SO2
.4
Toronto West graph for CO
42
Windsor Downtown graph for O3
14
Windsor Downtown graph for PM2.5
23
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.65
Windsor Downtown graph for CO
41
Windsor West graph for O3
19
Windsor West graph for PM2.5
11
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