Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Thunder Bay | 27 |
2 |
1.1 |
||
| Sault Ste. Marie | 39 |
2 |
0.2 |
0.1 |
|
| Windsor West | 39 |
5 |
1.6 |
0.3 |
|
| Windsor Downtown | 39 |
6 |
3.1 |
0 |
N/A |
| Sarnia | 42 |
6 |
2.1 |
0.2 |
|
| Chatham | 42 |
5 |
1.6 |
||
| Grand Bend | 41 |
5 |
1.6 |
||
| Tiverton | 43 |
5 |
|||
| London | 42 |
5 |
2 |
||
| Port Stanley | 43 |
5 |
2.2 |
||
| Sudbury | 38 |
1 |
3.2 |
16.7 |
|
| Kitchener | 41 |
4 |
2.4 |
||
| Brantford | 39 |
5 |
0.6 |
||
| Guelph | 42 |
5 |
1.8 |
||
| Parry Sound | 41 |
5 |
2.9 |
||
| Hamilton West | 41 |
5 |
2.1 |
||
| Hamilton Mountain | 43 |
5 |
1.7 |
1.1 |
|
| Milton | 37 |
6 |
4.9 |
0.7 |
|
| Hamilton Downtown | N/A |
N/A |
N/A |
N/A |
N/A |
| Burlington | N/A |
7 |
13 |
||
| Brampton | 41 |
4 |
2.9 |
||
| Barrie | N/A |
N/A |
N/A |
||
| Oakville | 41 |
5 |
2.6 |
||
| Mississauga | 33 |
5 |
4.1 |
||
| Toronto West | 39 |
5 |
3.5 |
0 |
0.15 |
| Newmarket | 38 |
5 |
4.3 |
||
| Toronto North | 32 |
7 |
8.2 |
0 |
|
| North Bay | 39 |
4 |
0.1 |
||
| Toronto Downtown | N/A |
8 |
N/A |
||
| Toronto East | 34 |
5 |
5.7 |
||
| St. Catharines | 43 |
4 |
0.7 |
||
| Dorset | N/A |
N/A |
|||
| Oshawa | 40 |
5 |
1.8 |
||
| Peterborough | 41 |
4 |
2.3 |
||
| Belleville | 44 |
6 |
1.4 |
||
| Kingston | 43 |
5 |
1.8 |
||
| Ottawa Downtown | 36 |
4 |
4.1 |
||
| Cornwall | 39 |
4 |
2.6 |
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.
