Current Pollutant Concentrations

Air Pollutant 1-Hour Concentrations For Friday, August 29, 2014, 7:00 pm

Station O3 (ppb) PM2.5 (µg/m3) NO2 (ppb) SO2 (ppb) CO (ppm)
36
graph
6
graph
5
graph
   
27
graph
1
graph
0
graph
   
36
graph
3
graph
11
graph
   
47
graph
7
graph
1
graph
   
36
graph
3
graph
3
graph
   
56
graph
5
graph
4
graph
   
22
graph
2
graph
2
graph
   
24
graph
2
graph
     
44
graph
10
graph
2
graph
   
47
graph
5
graph
4
graph
   
38
graph
12
graph
11
graph
19
graph
.27
graph
44
graph
3
graph
4
graph
0
graph
 
25
graph
3
graph
20
graph
   
28
graph
3
graph
0
graph
   
44
graph
5
graph
2
graph
   
47
graph
6
graph
3
graph
   
33
graph
2
graph
3
graph
1
graph
 
22
graph
2
graph
     
37
graph
3
graph
5
graph
   
30
graph
4
graph
2
graph
   
31
graph
4
graph
7
graph
   
26
graph
4
graph
10
graph
   
23
graph
2
graph
1
graph
   
20
graph
2
graph
3
graph
1
graph
.16
graph
36
graph
3
graph
2
graph
   
13
graph
2
graph
     
29
graph
4
graph
1
graph
   
53
graph
3
graph
     
48
graph
12
graph
3
graph
0
graph
 
35
graph
2
graph
2
graph
0
graph
 
40
graph
3
graph
3
graph
   
25
graph
5
graph
6
graph
0
graph
 
28
graph
3
graph
3
graph
   
34
graph
3
graph
3
graph
   
32
graph
1
graph
5
graph
   
31
graph
2
graph
2
graph
   
31
graph
6
graph
13
graph
   
37
graph
3
graph
8
graph
1
graph
.2
graph
53
graph
5
graph
4
graph
1
graph
.18
graph
42
graph
6
graph
2
graph
0
graph
 

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