Pollutant Concentrations for June 12, 2025, 1:00 am EDT
Choose Date Options:
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
53  |
25 |
1.4 |
|||
57 |
14 |
7.3 |
|||
60 |
24 |
1.8 |
|||
54 |
22 |
1.7 |
|||
47 |
19 |
11.4 |
|||
48 |
18 |
4.2 |
|||
63 |
22 |
1.1 |
|||
50 |
24 |
||||
61 |
26 |
0.8 |
|||
58 |
24 |
1.3 |
|||
55 |
21 |
4.4 |
0.8 |
0.29 |
|
50 |
23 |
3 |
0.9 |
||
53 |
19 |
4.6 |
|||
60 |
19 |
1.9 |
|||
55 |
25 |
1.9 |
|||
58 |
24 |
2.8 |
|||
57 |
26 |
3.4 |
0.3 |
||
60 |
23 |
2.8 |
|||
53 |
27 |
2.3 |
|||
44 |
25 |
1.1 |
|||
58 |
25 |
2.9 |
|||
61 |
25 |
1.6 |
|||
28 |
13 |
2.4 |
|||
45 |
25 |
0.9 |
|||
59 |
23 |
1.4 |
|||
50 |
22 |
5 |
|||
65 |
27 |
1.7 |
0.1 |
||
27 |
21 |
2.3 |
0 |
||
59 |
17 |
2.5 |
|||
30 |
29 |
1.5 |
0.5 |
||
26 |
3 |
0.8 |
|||
47 |
29 |
||||
57 |
29 |
5.1 |
|||
54 |
26 |
3.9 |
|||
57 |
27 |
4.7 |
0.4 |
||
54 |
27 |
7.5 |
0.2 |
0.35 |
|
46 |
26 |
14.5 |
0.7 |
0.42 |
|
35 |
28 |
28 |
2 |
Note:
Ontario 1-hour AAQC for O3 = 80 ppb
Ontario 1-hour AAQC for NO2 = 200 ppb
Ontario 1-hour AAQC for SO2 = 40 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.
