Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Thunder Bay | 20 |
1 |
2.2 |
||
| Sault Ste. Marie | 8 |
1 |
2.1 |
0 |
|
| Windsor West | 15 |
2 |
7.1 |
0.1 |
|
| Windsor Downtown | 16 |
2 |
7.9 |
0.2 |
0.18 |
| Sarnia | 13 |
2 |
7.7 |
0.2 |
|
| Chatham | 19 |
1 |
0.4 |
||
| Grand Bend | 15 |
2 |
3.2 |
||
| Tiverton | 15 |
3 |
|||
| London | 15 |
3 |
2.8 |
||
| Port Stanley | 24 |
2 |
0.9 |
||
| Sudbury | 15 |
2 |
2.8 |
0.2 |
|
| Kitchener | 13 |
4 |
4.7 |
||
| Brantford | 18 |
3 |
2.4 |
||
| Guelph | 9 |
7 |
4.6 |
||
| Parry Sound | 18 |
3 |
1.3 |
||
| Hamilton West | 12 |
4 |
6.8 |
||
| Hamilton Mountain | 16 |
4 |
2.1 |
0 |
|
| Milton | 10 |
5 |
8.6 |
0 |
|
| Hamilton Downtown | 14 |
4 |
5.4 |
0.1 |
0.18 |
| Burlington | 10 |
4 |
9.8 |
||
| Brampton | 13 |
4 |
3 |
||
| Barrie | 2 |
3 |
14.7 |
||
| Oakville | 15 |
4 |
3.4 |
||
| Mississauga | 14 |
4 |
4.3 |
||
| Toronto West | 6 |
4 |
18.1 |
0.1 |
0.24 |
| Newmarket | 12 |
2 |
4.3 |
||
| Toronto North | 8 |
5 |
12.9 |
0.1 |
|
| North Bay | 22 |
3 |
2.4 |
||
| Toronto Downtown | 9 |
5 |
17.6 |
||
| Toronto East | 10 |
5 |
9.9 |
||
| St. Catharines | 18 |
4 |
3.3 |
||
| Dorset | 21 |
2 |
|||
| Oshawa | 17 |
6 |
7.7 |
||
| Peterborough | 21 |
3 |
3.9 |
||
| Belleville | 27 |
5 |
2.3 |
||
| Kingston | 31 |
4 |
1.3 |
||
| Ottawa Downtown | 27 |
5 |
5.3 |
||
| Cornwall | 34 |
4 |
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.
