Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Thunder Bay | 29 |
2 |
0.6 |
||
| Sault Ste. Marie | N/A |
N/A |
N/A |
N/A |
|
| Windsor West | 38 |
3 |
2 |
0.1 |
|
| Windsor Downtown | 41 |
3 |
2.5 |
0 |
0.18 |
| Sarnia | 29 |
2 |
2.7 |
0 |
|
| Chatham | 32 |
3 |
1.1 |
||
| Grand Bend | 28 |
2 |
0.6 |
||
| Tiverton | 22 |
1 |
|||
| London | 36 |
3 |
1.2 |
||
| Port Stanley | 38 |
3 |
1.8 |
||
| Sudbury | 18 |
3 |
1 |
0.2 |
|
| Kitchener | 30 |
3 |
1.9 |
||
| Brantford | 28 |
4 |
2.3 |
||
| Guelph | 30 |
3 |
1.7 |
||
| Parry Sound | 25 |
2 |
1.1 |
||
| Hamilton West | 23 |
5 |
9.4 |
||
| Hamilton Mountain | 30 |
4 |
5.1 |
0.5 |
|
| Milton | 27 |
3 |
2.4 |
0.2 |
|
| Hamilton Downtown | 19 |
6 |
12 |
1.1 |
0 |
| Burlington | 30 |
4 |
4.9 |
||
| Brampton | 25 |
3 |
3.1 |
||
| Barrie | 21 |
3 |
0.9 |
||
| Oakville | 27 |
4 |
5.1 |
||
| Mississauga | 18 |
4 |
6.3 |
||
| Toronto West | 17 |
3 |
8.4 |
0 |
0.18 |
| Newmarket | 26 |
3 |
1.8 |
||
| Toronto North | 21 |
3 |
4 |
0 |
|
| North Bay | 20 |
2 |
0 |
||
| Toronto Downtown | 18 |
6 |
18 |
||
| Toronto East | 19 |
5 |
7.9 |
||
| St. Catharines | 32 |
3 |
4 |
||
| Dorset | 20 |
2 |
|||
| Oshawa | 30 |
3 |
0.6 |
||
| Peterborough | 25 |
2 |
1.1 |
||
| Belleville | 33 |
4 |
3.2 |
||
| Kingston | 38 |
6 |
2.1 |
||
| Ottawa Downtown | 34 |
4 |
4.3 |
||
| Cornwall | 34 |
4 |
0.9 |
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.
