Pollutant Concentrations for December 17, 2017, 10:00 pm EST

Choose Date Options:






Air Pollutant 1-Hour Concentrations For December 17, 2017, 10:00 pm EST
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
4
Cornwall graph for O3
11
Cornwall graph for PM2.5
31
Cornwall graph for NO2
   
2
Ottawa Downtown graph for O3
9
Ottawa Downtown graph for PM2.5
40
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.48
Ottawa Downtown graph for CO
2
Ottawa Central graph for O3
18
Ottawa Central graph for PM2.5
35
Ottawa Central graph for NO2
   
20
Kingston graph for O3
6
Kingston graph for PM2.5
13
Kingston graph for NO2
   
25
Belleville graph for O3
11
Belleville graph for PM2.5
7
Belleville graph for NO2
   
30
Petawawa graph for O3
2
Petawawa graph for PM2.5
     
27
Peterborough graph for O3
4
Peterborough graph for PM2.5
6
Peterborough graph for NO2
   
34
Oshawa graph for O3
2
Oshawa graph for PM2.5
5
Oshawa graph for NO2
   
31
Dorset graph for O3
2
Dorset graph for PM2.5
     
25
St. Catharines graph for O3
7
St. Catharines graph for PM2.5
7
St. Catharines graph for NO2
   
22
Toronto East graph for O3
7
Toronto East graph for PM2.5
13
Toronto East graph for NO2
   
13
Toronto Downtown graph for O3
8
Toronto Downtown graph for PM2.5
24
Toronto Downtown graph for NO2
   
25
North Bay graph for O3
3
North Bay graph for PM2.5
5
North Bay graph for NO2
   
23
Toronto North graph for O3
6
Toronto North graph for PM2.5
11
Toronto North graph for NO2
0
Toronto North graph for SO2
 
30
Newmarket  graph for O3
3
Newmarket  graph for PM2.5
5
Newmarket  graph for NO2
   
13
Toronto West graph for O3
9
Toronto West graph for PM2.5
24
Toronto West graph for NO2
0
Toronto West graph for SO2
.28
Toronto West graph for CO
26
Mississauga graph for O3
6
Mississauga graph for PM2.5
9
Mississauga graph for NO2
   
30
Oakville  graph for O3
10
Oakville  graph for PM2.5
6
Oakville  graph for NO2
   
28
Barrie graph for O3
6
Barrie graph for PM2.5
5
Barrie graph for NO2
   
10
Brampton graph for O3
10
Brampton graph for PM2.5
27
Brampton graph for NO2
   
32
Burlington graph for O3
7
Burlington graph for PM2.5
4
Burlington graph for NO2
   
22
Hamilton Downtown graph for O3
9
Hamilton Downtown graph for PM2.5
12
Hamilton Downtown graph for NO2
1
Hamilton Downtown graph for SO2
.28
Hamilton Downtown graph for CO
27
Hamilton Mountain graph for O3
8
Hamilton Mountain graph for PM2.5
9
Hamilton Mountain graph for NO2
1
Hamilton Mountain graph for SO2
 
16
Hamilton West graph for O3
12
Hamilton West graph for PM2.5
21
Hamilton West graph for NO2
   
34
Parry Sound graph for O3
1
Parry Sound graph for PM2.5
2
Parry Sound graph for NO2
   
14
Guelph graph for O3
23
Guelph graph for PM2.5
21
Guelph graph for NO2
   
21
Brantford graph for O3
12
Brantford graph for PM2.5
15
Brantford graph for NO2
   
15
Kitchener graph for O3
14
Kitchener graph for PM2.5
19
Kitchener graph for NO2
   
19
Sudbury graph for O3
4
Sudbury graph for PM2.5
18
Sudbury graph for NO2
1
Sudbury graph for SO2
 
32
Port Stanley graph for O3
8
Port Stanley graph for PM2.5
4
Port Stanley graph for NO2
   
25
London graph for O3
13
London graph for PM2.5
7
London graph for NO2
   
32
Tiverton graph for O3
4
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
23
Grand Bend graph for O3
9
Grand Bend graph for PM2.5
10
Grand Bend graph for NO2
   
11
Chatham graph for O3
27
Chatham graph for PM2.5
14
Chatham graph for NO2
   
21
Sarnia graph for O3
11
Sarnia graph for PM2.5
11
Sarnia graph for NO2
0
Sarnia graph for SO2
 
3
Windsor Downtown graph for O3
27
Windsor Downtown graph for PM2.5
23
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.35
Windsor Downtown graph for CO
7
Windsor West graph for O3
30
Windsor West graph for PM2.5
16
Windsor West graph for NO2
0
Windsor West graph for SO2
 
31
Sault Ste Marie graph for O3
3
Sault Ste Marie graph for PM2.5
3
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
28
Thunder Bay graph for O3
4
Thunder Bay graph for PM2.5
3
Thunder Bay graph for NO2
   

Order by Station Name

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