Pollutant Concentrations for January 21, 2025, 9:00 pm EST
Choose Date Options:
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
16  |
13 |
28.6 |
|||
28 |
4 |
17.1 |
0 |
||
24 |
7 |
11.2 |
2.3 |
||
24 |
7 |
9.7 |
0.4 |
0.21 |
|
27 |
6 |
11.7 |
0.2 |
||
27 |
5 |
8.1 |
|||
37 |
3 |
1.4 |
|||
40 |
2 |
||||
27 |
5 |
10.6 |
|||
32 |
5 |
3.9 |
|||
23 |
12 |
19.4 |
0.2 |
||
33 |
4 |
5.9 |
|||
32 |
5 |
3.3 |
|||
30 |
4 |
8.4 |
|||
32 |
2 |
3.5 |
|||
27 |
6 |
8.1 |
|||
30 |
5 |
3.4 |
0 |
||
|
|
|
|
||
25 |
6 |
11.4 |
0.3 |
0.2 |
|
27 |
6 |
11.1 |
|||
30 |
5 |
7.3 |
|||
29 |
5 |
7.6 |
|||
29 |
5 |
7.9 |
|||
29 |
5 |
8.3 |
|||
15 |
7 |
24.9 |
0 |
0.33 |
|
32 |
5 |
5.1 |
|||
25 |
6 |
13 |
0 |
||
2 |
11 |
36.4 |
|||
22 |
6 |
17.6 |
|||
24 |
8 |
14 |
|||
24 |
7 |
9.8 |
|||
32 |
3 |
||||
27 |
6 |
6.6 |
|||
30 |
8 |
5.9 |
|||
30 |
5 |
7.9 |
|||
33 |
4 |
2.9 |
|||
3 |
18 |
34.3 |
|||
35 |
7 |
3.8 |
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.
