Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Barrie | 16 |
6 |
5.1 |
||
| Belleville | 10 |
7 |
10.1 |
||
| Brampton | 17 |
11 |
6.6 |
||
| Brantford | 3 |
12 |
5 |
||
| Burlington | 1 |
10 |
24 |
||
| Chatham | 28 |
8 |
3.5 |
||
| Cornwall | 19 |
6 |
0.9 |
||
| Dorset | 4 |
5 |
|||
| Grand Bend | 4 |
7 |
1.2 |
||
| Guelph | 8 |
10 |
5.1 |
||
| Hamilton Downtown | 5 |
11 |
21 |
0.5 |
0.33 |
| Hamilton Mountain | 9 |
11 |
9.4 |
0.2 |
|
| Hamilton West | 1 |
8 |
9.2 |
||
| Kingston | 19 |
7 |
3.7 |
||
| Kitchener | 15 |
8 |
3.8 |
||
| London | 4 |
12 |
4.5 |
||
| Milton | 1 |
16 |
20.6 |
0.4 |
|
| Mississauga | 1 |
12 |
17.3 |
||
| Newmarket | 4 |
8 |
9.4 |
||
| North Bay | 34 |
6 |
0 |
||
| Oakville | 15 |
10 |
9.9 |
||
| Oshawa | 6 |
7 |
2.2 |
||
| Ottawa Downtown | 32 |
7 |
2.1 |
||
| Parry Sound | 18 |
7 |
0.6 |
||
| Peterborough | 12 |
7 |
3.5 |
||
| Port Stanley | N/A |
9 |
1.9 |
||
| Sarnia | 1 |
12 |
14.2 |
0.2 |
|
| Sault Ste. Marie | 24 |
8 |
1.6 |
0.1 |
|
| St. Catharines | 18 |
4 |
4 |
||
| Sudbury | 18 |
7 |
5.3 |
0.5 |
|
| Thunder Bay | 11 |
2 |
0.4 |
||
| Tiverton | 35 |
5 |
|||
| Toronto Downtown | 6 |
25 |
26.8 |
||
| Toronto East | 2 |
14 |
17.7 |
||
| Toronto North | 1 |
16 |
14 |
0.3 |
|
| Toronto West | 1 |
15 |
26.6 |
0.3 |
0.4 |
| Windsor Downtown | 17 |
22 |
24.3 |
0 |
0.39 |
| Windsor West | N/A |
26 |
17.9 |
0.6 |
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.
