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| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Thunder Bay | 21 |
3 |
1.5 |
||
| Sault Ste. Marie | 23 |
5 |
1.1 |
0 |
|
| Windsor West | 48 |
4 |
2.3 |
0.5 |
|
| Windsor Downtown | 50 |
3 |
2.1 |
0.6 |
0.14 |
| Sarnia | 46 |
3 |
2.4 |
0.1 |
|
| Chatham | 42 |
3 |
0.7 |
||
| Grand Bend | 45 |
3 |
1.1 |
||
| Tiverton | 23 |
4 |
|||
| London | 43 |
3 |
1.5 |
||
| Port Stanley | 42 |
6 |
2.8 |
||
| Sudbury | 24 |
4 |
1.7 |
0.1 |
|
| Kitchener | 39 |
3 |
1.7 |
||
| Brantford | 34 |
4 |
2.9 |
||
| Guelph | 29 |
5 |
7.3 |
||
| Parry Sound | 26 |
5 |
0.9 |
||
| Hamilton West | 32 |
4 |
8.9 |
||
| Hamilton Mountain | 28 |
5 |
12.3 |
15.6 |
|
| Milton | 31 |
5 |
7.4 |
0.2 |
|
| Hamilton Downtown | 28 |
3 |
9.6 |
7.7 |
0.15 |
| Burlington | 33 |
5 |
5.1 |
||
| Brampton | 31 |
5 |
12.9 |
||
| Barrie | 26 |
4 |
0.2 |
||
| Oakville | 26 |
5 |
11.7 |
||
| Mississauga | 27 |
4 |
3.6 |
||
| Toronto West | 32 |
5 |
6.6 |
0.2 |
0.17 |
| Newmarket | 46 |
3 |
1.7 |
||
| Toronto North | 35 |
4 |
4 |
0 |
|
| North Bay | 24 |
5 |
0.6 |
||
| Toronto Downtown | 28 |
5 |
13.7 |
||
| Toronto East | 33 |
3 |
3.7 |
||
| St. Catharines | 31 |
3 |
1.7 |
||
| Dorset | 27 |
3 |
|||
| Oshawa | 40 |
3 |
0.6 |
||
| Peterborough | 37 |
3 |
1.6 |
||
| Belleville | 34 |
3 |
1.5 |
||
| Kingston | 25 |
5 |
1.5 |
||
| Ottawa Downtown | 24 |
5 |
2.4 |
||
| Cornwall | 27 |
6 |
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.
