Pollutant Concentrations for January 26, 2021, 3:00 pm EST

Choose Date Options:






Air Pollutant 1-Hour Concentrations For January 26, 2021, 3:00 pm EST
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
34
Barrie graph for O3
7
Barrie graph for PM2.5
3.7
Barrie graph for NO2
   
38
Belleville graph for O3
4
Belleville graph for PM2.5
2.1
Belleville graph for NO2
   
26
Brampton graph for O3
6
Brampton graph for PM2.5
14.5
Brampton graph for NO2
   
28
Brantford graph for O3
7
Brantford graph for PM2.5
9.2
Brantford graph for NO2
   
32
Burlington graph for O3
6
Burlington graph for PM2.5
4.2
Burlington graph for NO2
   
32
Chatham graph for O3
6
Chatham graph for PM2.5
6.2
Chatham graph for NO2
   
18
Cornwall graph for O3
25
Cornwall graph for PM2.5
25.9
Cornwall graph for NO2
   
35
Dorset graph for O3
5
Dorset graph for PM2.5
     
38
Grand Bend graph for O3
8
Grand Bend graph for PM2.5
4.4
Grand Bend graph for NO2
   
34
Guelph graph for O3
2
Guelph graph for PM2.5
5.6
Guelph graph for NO2
   
20
Hamilton Downtown graph for O3
10
Hamilton Downtown graph for PM2.5
21
Hamilton Downtown graph for NO2
1
Hamilton Downtown graph for SO2
.31
Hamilton Downtown graph for CO
27
Hamilton Mountain graph for O3
8
Hamilton Mountain graph for PM2.5
9.1
Hamilton Mountain graph for NO2
0
Hamilton Mountain graph for SO2
 
22
Hamilton West graph for O3
9
Hamilton West graph for PM2.5
15.8
Hamilton West graph for NO2
   
32
Kingston graph for O3
3
Kingston graph for PM2.5
7.1
Kingston graph for NO2
   
29
Kitchener graph for O3
3
Kitchener graph for PM2.5
9.7
Kitchener graph for NO2
   
28
London graph for O3
7
London graph for PM2.5
7.8
London graph for NO2
   
30
Milton graph for O3
5
Milton graph for PM2.5
10.4
Milton graph for NO2
N/A
Milton graph for SO2
 
30
Mississauga graph for O3
2
Mississauga graph for PM2.5
7.8
Mississauga graph for NO2
   
36
Newmarket graph for O3
4
Newmarket graph for PM2.5
3.6
Newmarket graph for NO2
   
33
North Bay graph for O3
2
North Bay graph for PM2.5
1.6
North Bay graph for NO2
   
27
Oakville graph for O3
3
Oakville graph for PM2.5
10.7
Oakville graph for NO2
   
38
Oshawa graph for O3
3
Oshawa graph for PM2.5
1.1
Oshawa graph for NO2
   
32
Ottawa Downtown graph for O3
8
Ottawa Downtown graph for PM2.5
5.7
Ottawa Downtown graph for NO2
.2
Ottawa Downtown graph for SO2
.2
Ottawa Downtown graph for CO
34
Parry Sound graph for O3
4
Parry Sound graph for PM2.5
2.3
Parry Sound graph for NO2
   
36
Petawawa graph for O3
2
Petawawa graph for PM2.5
     
35
Peterborough graph for O3
5
Peterborough graph for PM2.5
3.5
Peterborough graph for NO2
   
27
Port Stanley graph for O3
6
Port Stanley graph for PM2.5
5.9
Port Stanley graph for NO2
   
26
Sarnia graph for O3
5
Sarnia graph for PM2.5
5.7
Sarnia graph for NO2
.3
Sarnia graph for SO2
 
30
Sault Ste. Marie graph for O3
3
Sault Ste. Marie graph for PM2.5
5.9
Sault Ste. Marie graph for NO2
.4
Sault Ste. Marie graph for SO2
 
31
St. Catharines graph for O3
5
St. Catharines graph for PM2.5
7.5
St. Catharines graph for NO2
   
29
Sudbury graph for O3
2
Sudbury graph for PM2.5
3.7
Sudbury graph for NO2
.7
Sudbury graph for SO2
 
29
Thunder Bay graph for O3
2
Thunder Bay graph for PM2.5
3.2
Thunder Bay graph for NO2
   
35
Tiverton graph for O3
3
Tiverton graph for PM2.5
     
28
Toronto Downtown graph for O3
3
Toronto Downtown graph for PM2.5
9.9
Toronto Downtown graph for NO2
   
32
Toronto East graph for O3
3
Toronto East graph for PM2.5
6.7
Toronto East graph for NO2
   
34
Toronto North graph for O3
2
Toronto North graph for PM2.5
5.4
Toronto North graph for NO2
0
Toronto North graph for SO2
 
22
Toronto West graph for O3
5
Toronto West graph for PM2.5
20.5
Toronto West graph for NO2
.1
Toronto West graph for SO2
.23
Toronto West graph for CO
23
Windsor Downtown graph for O3
7
Windsor Downtown graph for PM2.5
13.7
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.22
Windsor Downtown graph for CO
24
Windsor West graph for O3
9
Windsor West graph for PM2.5
10.5
Windsor West graph for NO2
.3
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