Pollutant Concentrations for June 15, 2025, 1:00 am EDT
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| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
14  |
9 |
4 |
|||
37 |
6 |
5.2 |
|||
11 |
13 |
21.2 |
|||
25 |
8 |
4 |
|||
31 |
10 |
10.1 |
|||
19 |
8 |
5.4 |
|||
29 |
8 |
5 |
|||
17 |
5 |
||||
26 |
6 |
3.2 |
|||
24 |
9 |
3.9 |
|||
29 |
8 |
10 |
5.2 |
0.25 |
|
28 |
9 |
9.5 |
22.4 |
||
9 |
9 |
18.8 |
|||
0 |
6 |
2.9 |
|||
28 |
6 |
5.3 |
|||
25 |
7 |
5.2 |
|||
14 |
7 |
14.3 |
0.4 |
||
12 |
7 |
9.7 |
|||
17 |
9 |
9.7 |
|||
21 |
5 |
2.6 |
|||
24 |
7 |
13.9 |
|||
8 |
6 |
6 |
|||
21 |
8 |
8.1 |
|||
22 |
5 |
2.2 |
|||
23 |
6 |
4.4 |
|||
33 |
7 |
3.7 |
|||
26 |
5 |
1.2 |
0 |
||
25 |
5 |
1.8 |
0.2 |
||
21 |
11 |
7 |
|||
17 |
11 |
9.6 |
0.4 |
||
8 |
8 |
7.2 |
|||
18 |
5 |
||||
31 |
11 |
13.7 |
|||
17 |
9 |
18.9 |
|||
18 |
8 |
10.1 |
0.4 |
||
13 |
9 |
23 |
0.2 |
0.39 |
|
27 |
10 |
5.7 |
0.8 |
0.26 |
|
28 |
11 |
5.2 |
1.2 |
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.
