Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Barrie | 1 |
5 |
21 |
||
| Belleville | 13 |
4 |
7 |
||
| Brampton | 0 |
6 |
20.7 |
||
| Brantford | 9 |
0 |
4.4 |
||
| Burlington | 8 |
5 |
20.9 |
||
| Chatham | 15 |
6 |
1.8 |
||
| Cornwall | 0 |
10 |
13.2 |
||
| Dorset | 6 |
3 |
|||
| Grand Bend | 18 |
4 |
2.3 |
||
| Guelph | 2 |
6 |
13 |
||
| Hamilton Downtown | 0 |
9 |
25.9 |
0.3 |
0.41 |
| Hamilton Mountain | 7 |
6 |
13.2 |
0.3 |
|
| Hamilton West | 0 |
5 |
12.1 |
||
| Kingston | 13 |
4 |
7.6 |
||
| Kitchener | 4 |
6 |
14 |
||
| London | 4 |
6 |
5.6 |
||
| Milton | 0 |
6 |
22.1 |
0.1 |
|
| Mississauga | 1 |
8 |
19.8 |
||
| Newmarket | 5 |
4 |
15.4 |
||
| North Bay | 3 |
5 |
14 |
||
| Oakville | 0 |
10 |
28.8 |
||
| Oshawa | 20 |
3 |
3.3 |
||
| Ottawa Downtown | 4 |
7 |
12.3 |
||
| Parry Sound | 19 |
4 |
3.7 |
||
| Peterborough | 7 |
5 |
11.4 |
||
| Port Stanley | 21 |
4 |
2.5 |
||
| Sarnia | 18 |
6 |
3.8 |
0.1 |
|
| Sault Ste. Marie | 20 |
5 |
0.9 |
0 |
|
| St. Catharines | 2 |
6 |
13.1 |
||
| Sudbury | 2 |
8 |
16.2 |
0.3 |
|
| Thunder Bay | 5 |
21 |
8.5 |
||
| Tiverton | 21 |
4 |
|||
| Toronto Downtown | 9 |
5 |
23.6 |
||
| Toronto East | 7 |
4 |
15.8 |
||
| Toronto North | 1 |
5 |
20.7 |
0.1 |
|
| Toronto West | 1 |
N/A |
25.9 |
0.4 |
0.45 |
| Windsor Downtown | 24 |
6 |
4.7 |
0 |
0.18 |
| Windsor West | 4 |
9 |
17.6 |
0 |
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 = 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.
