Pollutant Concentrations for September 20, 2018, 5:00 pm EDT

Choose Date Options:






Air Pollutant 1-Hour Concentrations For September 20, 2018, 5:00 pm EDT
Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
17
Cornwall graph for O3
9
Cornwall graph for PM2.5
6
Cornwall graph for NO2
   
18
Ottawa Downtown graph for O3
5
Ottawa Downtown graph for PM2.5
3
Ottawa Downtown graph for NO2
0
Ottawa Downtown graph for SO2
.17
Ottawa Downtown graph for CO
20
Kingston graph for O3
2
Kingston graph for PM2.5
3
Kingston graph for NO2
   
20
Belleville graph for O3
2
Belleville graph for PM2.5
2
Belleville graph for NO2
   
18
Petawawa graph for O3
4
Petawawa graph for PM2.5
     
23
Peterborough graph for O3
4
Peterborough graph for PM2.5
4
Peterborough graph for NO2
   
25
Oshawa graph for O3
3
Oshawa graph for PM2.5
1
Oshawa graph for NO2
   
16
Dorset graph for O3
2
Dorset graph for PM2.5
     
22
St. Catharines graph for O3
4
St. Catharines graph for PM2.5
3
St. Catharines graph for NO2
   
25
Toronto East graph for O3
2
Toronto East graph for PM2.5
2
Toronto East graph for NO2
   
24
Toronto Downtown graph for O3
4
Toronto Downtown graph for PM2.5
6
Toronto Downtown graph for NO2
   
12
North Bay graph for O3
1
North Bay graph for PM2.5
2
North Bay graph for NO2
   
23
Toronto North graph for O3
2
Toronto North graph for PM2.5
4
Toronto North graph for NO2
0
Toronto North graph for SO2
 
25
Newmarket  graph for O3
4
Newmarket  graph for PM2.5
6
Newmarket  graph for NO2
   
24
Toronto West graph for O3
3
Toronto West graph for PM2.5
4
Toronto West graph for NO2
0
Toronto West graph for SO2
.14
Toronto West graph for CO
26
Mississauga graph for O3
3
Mississauga graph for PM2.5
1
Mississauga graph for NO2
   
28
Oakville  graph for O3
3
Oakville  graph for PM2.5
4
Oakville  graph for NO2
   
23
Barrie graph for O3
7
Barrie graph for PM2.5
4
Barrie graph for NO2
   
23
Brampton graph for O3
4
Brampton graph for PM2.5
7
Brampton graph for NO2
   
30
Burlington graph for O3
3
Burlington graph for PM2.5
2
Burlington graph for NO2
   
21
Hamilton Downtown graph for O3
4
Hamilton Downtown graph for PM2.5
13
Hamilton Downtown graph for NO2
14
Hamilton Downtown graph for SO2
.29
Hamilton Downtown graph for CO
27
Hamilton Mountain graph for O3
5
Hamilton Mountain graph for PM2.5
6
Hamilton Mountain graph for NO2
5
Hamilton Mountain graph for SO2
 
25
Hamilton West graph for O3
2
Hamilton West graph for PM2.5
7
Hamilton West graph for NO2
   
12
Parry Sound graph for O3
1
Parry Sound graph for PM2.5
4
Parry Sound graph for NO2
   
27
Guelph graph for O3
6
Guelph graph for PM2.5
4
Guelph graph for NO2
   
21
Brantford graph for O3
6
Brantford graph for PM2.5
8
Brantford graph for NO2
   
22
Kitchener graph for O3
3
Kitchener graph for PM2.5
5
Kitchener graph for NO2
   
11
Sudbury graph for O3
3
Sudbury graph for PM2.5
6
Sudbury graph for NO2
0
Sudbury graph for SO2
 
27
Port Stanley graph for O3
9
Port Stanley graph for PM2.5
1
Port Stanley graph for NO2
   
24
London graph for O3
2
London graph for PM2.5
2
London graph for NO2
   
24
Tiverton graph for O3
5
Tiverton graph for PM2.5
3
Tiverton graph for NO2
   
26
Grand Bend graph for O3
3
Grand Bend graph for PM2.5
3
Grand Bend graph for NO2
   
36
Chatham graph for O3
13
Chatham graph for PM2.5
1
Chatham graph for NO2
   
25
Sarnia graph for O3
5
Sarnia graph for PM2.5
4
Sarnia graph for NO2
0
Sarnia graph for SO2
 
32
Windsor Downtown graph for O3
7
Windsor Downtown graph for PM2.5
7
Windsor Downtown graph for NO2
0
Windsor Downtown graph for SO2
.2
Windsor Downtown graph for CO
33
Windsor West graph for O3
7
Windsor West graph for PM2.5
4
Windsor West graph for NO2
0
Windsor West graph for SO2
 
18
Sault Ste Marie graph for O3
2
Sault Ste Marie graph for PM2.5
2
Sault Ste Marie graph for NO2
0
Sault Ste Marie graph for SO2
 
15
Thunder Bay graph for O3
3
Thunder Bay graph for PM2.5
2
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