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| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Thunder Bay | 35 |
2 |
2.2 |
||
| Sault Ste. Marie | 35 |
2 |
1.9 |
0.1 |
|
| Windsor West | 35 |
6 |
2.5 |
0.1 |
|
| Windsor Downtown | 36 |
7 |
2.2 |
0 |
0.1 |
| Sarnia | 33 |
7 |
3.9 |
0.1 |
|
| Chatham | 32 |
11 |
3.6 |
||
| Grand Bend | 30 |
8 |
2.1 |
||
| Tiverton | 37 |
4 |
|||
| London | 30 |
17 |
3.4 |
||
| Port Stanley | 39 |
6 |
2.7 |
||
| Sudbury | 37 |
2 |
4.1 |
0.2 |
|
| Kitchener | 35 |
8 |
3.2 |
||
| Brantford | 36 |
6 |
1.3 |
||
| Guelph | 37 |
5 |
4.3 |
||
| Parry Sound | 39 |
1 |
0.6 |
||
| Hamilton West | 33 |
7 |
9 |
||
| Hamilton Mountain | 38 |
6 |
3.9 |
0.7 |
|
| Milton | 41 |
5 |
0.7 |
0.3 |
|
| Hamilton Downtown | 35 |
6 |
5.9 |
2.6 |
0.19 |
| Burlington | 39 |
5 |
4.1 |
||
| Brampton | 38 |
5 |
3.5 |
||
| Barrie | 38 |
2 |
0.7 |
||
| Oakville | 38 |
4 |
1.6 |
||
| Mississauga | 38 |
4 |
1.8 |
||
| Toronto West | 37 |
5 |
2.7 |
0 |
0.13 |
| Newmarket | 31 |
9 |
7.9 |
||
| Toronto North | 32 |
10 |
6 |
0 |
|
| North Bay | 38 |
3 |
0.8 |
||
| Toronto Downtown | 21 |
7 |
36.4 |
||
| Toronto East | 35 |
5 |
3.3 |
||
| St. Catharines | 38 |
4 |
1.2 |
||
| Dorset | 39 |
1 |
|||
| Oshawa | 35 |
5 |
2.7 |
||
| Peterborough | 36 |
4 |
1.7 |
||
| Belleville | 38 |
5 |
1.5 |
||
| Kingston | 40 |
5 |
1.6 |
||
| Ottawa Downtown | 38 |
3 |
1.6 |
||
| Cornwall | 44 |
4 |
1 |
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.
