Pollutant Concentrations for May 1, 2025, 12:00 am EDT
Choose Date Options:
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
37  |
3 |
3 |
|||
27 |
3 |
3.1 |
|
||
34 |
5 |
5.2 |
0.1 |
||
36 |
5 |
3.7 |
0.1 |
0.15 |
|
33 |
2 |
1.5 |
0.1 |
||
30 |
5 |
2.9 |
|||
32 |
2 |
0.8 |
|||
22 |
3 |
||||
25 |
6 |
5.2 |
|||
27 |
5 |
3.6 |
|||
26 |
4 |
4.7 |
0.2 |
||
26 |
6 |
3.4 |
|||
24 |
7 |
3.6 |
|||
22 |
7 |
5.7 |
|||
29 |
3 |
1.2 |
|||
14 |
11 |
20.3 |
|||
15 |
14 |
15.3 |
7.1 |
||
32 |
10 |
7.5 |
0.3 |
||
20 |
11 |
16.4 |
6.2 |
0.21 |
|
22 |
10 |
18.2 |
|||
27 |
10 |
11 |
|||
25 |
3 |
3.1 |
|||
27 |
9 |
14 |
|||
34 |
7 |
7.1 |
|||
22 |
12 |
18.4 |
0.1 |
0.28 |
|
23 |
4 |
3.4 |
|||
21 |
12 |
14.3 |
0.3 |
||
8 |
5 |
14.8 |
|||
22 |
7 |
27.2 |
|||
31 |
7 |
8.2 |
|||
25 |
10 |
4.9 |
|||
23 |
3 |
||||
21 |
7 |
7.4 |
|||
21 |
8 |
9.3 |
|||
33 |
3 |
1.1 |
|||
31 |
2 |
1.1 |
|||
17 |
5 |
13.1 |
|||
15 |
6 |
11.3 |
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.
