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Geographical Display of Pollutant Concentrations

Pollutant Concentrations

For Friday, March 19, 2010, 1:00 PM

Air Pollutant 1-Hour Concentrations for March 19, 2010, 1:00 PM
Note: The pollutant concentrations on this web page are based on automatically
polled data and have not undergone final verification.
Station O3
(ppb)
PM2.5
(µg/m3)
NO2
(ppb)
SO2
(ppb)
CO
(ppm)
graph
40
graph
7
graph
8
   
graph
42
graph
5
graph
3
   
graph
41
graph
9
graph
7
   
graph
41
graph
6
graph
6
   
graph
34
graph
8
graph
17
   
graph
38
graph
2
graph
6
graph
3
 
graph
46
graph
6
graph
4
   
graph
44
graph
5
     
graph
36
graph
10
     
graph
41
graph
8
     
graph
42
graph
6
graph
8
graph
3
graph
0.26
graph
45
graph
8
graph
6
graph
3
 
graph
39
graph
7
     
graph
43
graph
10
graph
3
graph
1
graph
0.2
graph
36
graph
7
graph
9
   
graph
28
graph
8
graph
14
graph
3
graph
0.29
graph
40
graph
9
graph
8
graph
5
 
graph
41
graph
7
     
graph
43
graph
7
graph
9
   
graph
37
graph
3
graph
5
   
graph
41
graph
7
graph
7
   
graph
31
graph
10
graph
15
   
graph
46
graph
4
graph
2
   
graph
43
graph
4
graph
5
graph
2
graph
0.28
graph
46
graph
9
     
graph
38
graph
5
     
graph
48
graph
5
graph
4
   
graph
30
graph
6
     
graph
28
graph
14
graph
16
graph
7
 
graph
28
graph
1
graph
5
graph
0
 
graph
43
graph
6
graph
7
   
graph
28
graph
9
 
graph
1
 
graph
37
graph
3
graph
3
   
graph
40
graph
8
graph
3
graph
2
 
graph
34
graph
12
graph
18
graph
4
graph
0.49
graph
29
graph
12
graph
16
   
graph
26
graph
11
graph
22
   
graph
35
graph
8
graph
13
graph
3
graph
0.24
graph
29
graph
5
graph
17
graph
22
graph
0.41
graph
26
graph
4
graph
18
graph
28
 

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

Order by Station Location (East to West)

Disclaimer


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