Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Thunder Bay | 15 |
4 |
5.9 |
||
| Sault Ste. Marie | 27 |
3 |
0.8 |
0.1 |
|
| Windsor West | 22 |
5 |
5.7 |
0 |
|
| Windsor Downtown | 22 |
5 |
5.8 |
0 |
0.14 |
| Sarnia | 20 |
4 |
10.4 |
2.9 |
|
| Chatham | 30 |
3 |
4.6 |
||
| Grand Bend | 23 |
3 |
1.8 |
||
| Tiverton | 25 |
4 |
|||
| London | 20 |
4 |
6.3 |
||
| Port Stanley | 32 |
3 |
1.9 |
||
| Sudbury | 15 |
2 |
0 |
0 |
|
| Kitchener | 2 |
7 |
12.8 |
||
| Brantford | 2 |
7 |
5.5 |
||
| Guelph | 6 |
4 |
12.7 |
||
| Parry Sound | 11 |
3 |
3.4 |
||
| Hamilton West | 1 |
5 |
11.3 |
||
| Hamilton Mountain | 13 |
4 |
7.8 |
0 |
|
| Milton | 0 |
6 |
16.4 |
0.5 |
|
| Hamilton Downtown | 0 |
6 |
14.8 |
0.4 |
0.52 |
| Burlington | 0 |
5 |
18 |
||
| Brampton | 1 |
14 |
11.9 |
||
| Barrie | 8 |
3 |
9.1 |
||
| Oakville | 1 |
6 |
20.4 |
||
| Mississauga | 0 |
7 |
6.9 |
||
| Toronto West | 0 |
15 |
15.9 |
0.4 |
0.51 |
| Newmarket | 6 |
3 |
11.3 |
||
| Toronto North | 0 |
6 |
9.9 |
0.2 |
|
| North Bay | 9 |
3 |
2.9 |
||
| Toronto Downtown | 11 |
4 |
17.9 |
||
| Toronto East | 0 |
5 |
15.2 |
||
| St. Catharines | 17 |
3 |
8.6 |
||
| Dorset | 2 |
2 |
|||
| Oshawa | 2 |
2 |
4.5 |
||
| Peterborough | 1 |
4 |
6.9 |
||
| Belleville | 1 |
3 |
11.4 |
||
| Kingston | 9 |
4 |
6.4 |
||
| Ottawa Downtown | 17 |
4 |
2.5 |
||
| Cornwall | 19 |
3 |
1.4 |
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.
