Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Barrie | 2 |
3 |
10.2 |
||
| Belleville | 14 |
3 |
5.3 |
||
| Brampton | 0 |
4 |
16.9 |
||
| Brantford | 4 |
4 |
5.7 |
||
| Burlington | 3 |
3 |
15.2 |
||
| Chatham | 11 |
6 |
8.2 |
||
| Cornwall | 19 |
2 |
1.6 |
||
| Dorset | 10 |
4 |
|||
| Grand Bend | 13 |
3 |
1.7 |
||
| Guelph | 0 |
5 |
8 |
||
| Hamilton Downtown | 1 |
6 |
16 |
0.4 |
1.06 |
| Hamilton Mountain | 1 |
3 |
11.9 |
0 |
|
| Hamilton West | 1 |
5 |
9.7 |
||
| Kingston | 11 |
3 |
4.5 |
||
| Kitchener | 0 |
6 |
13 |
||
| London | 1 |
6 |
7.7 |
||
| Milton | 1 |
4 |
16.5 |
0.2 |
|
| Mississauga | 0 |
5 |
15.2 |
||
| Newmarket | 0 |
3 |
12.1 |
||
| North Bay | 18 |
2 |
1 |
||
| Oakville | 2 |
4 |
16.6 |
||
| Oshawa | 3 |
3 |
3.9 |
||
| Ottawa Downtown | 21 |
1 |
2.8 |
||
| Parry Sound | 19 |
4 |
1.2 |
||
| Peterborough | 12 |
3 |
4.4 |
||
| Port Stanley | 15 |
4 |
3.9 |
||
| Sarnia | 9 |
5 |
9.5 |
0.1 |
|
| Sault Ste. Marie | 7 |
3 |
2.3 |
0 |
|
| St. Catharines | 0 |
4 |
9.8 |
||
| Sudbury | 25 |
1 |
0 |
0 |
|
| Thunder Bay | 9 |
2 |
10.3 |
||
| Tiverton | 14 |
3 |
|||
| Toronto Downtown | 3 |
3 |
23.2 |
||
| Toronto East | 1 |
6 |
17.3 |
||
| Toronto North | 1 |
8 |
15.6 |
0.8 |
|
| Toronto West | 0 |
5 |
13 |
0.1 |
0.29 |
| Windsor Downtown | 0 |
39 |
19.6 |
0.6 |
0.98 |
| Windsor West | 1 |
35 |
15.2 |
0.1 |
Order by station location (east to west)
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.
