Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Barrie | 29 |
10 |
0.9 |
||
| Belleville | 32 |
4 |
1.3 |
||
| Brampton | 44 |
18 |
4.5 |
||
| Brantford | 44 |
96 |
1.2 |
||
| Burlington | 36 |
21 |
2.3 |
||
| Chatham | 36 |
145 |
2.2 |
||
| Cornwall | 33 |
6 |
0.8 |
||
| Dorset | 29 |
3 |
|||
| Grand Bend | 32 |
190 |
2.9 |
||
| Guelph | 53 |
108 |
3.8 |
||
| Hamilton Downtown | 43 |
63 |
8 |
13.6 |
0.67 |
| Hamilton Mountain | 49 |
67 |
9.8 |
13.1 |
|
| Hamilton West | 47 |
72 |
11.6 |
||
| Kingston | 31 |
5 |
1.1 |
||
| Kitchener | 40 |
88 |
2.4 |
||
| London | 44 |
82 |
1.2 |
||
| Milton | 51 |
42 |
0.7 |
0.4 |
|
| Mississauga | 32 |
6 |
1.5 |
||
| Newmarket | 44 |
11 |
3.5 |
||
| North Bay | 27 |
3 |
0 |
||
| Oakville | 34 |
11 |
2.3 |
||
| Oshawa | 31 |
5 |
1.4 |
||
| Ottawa Downtown | 29 |
4 |
1.4 |
||
| Parry Sound | 30 |
4 |
2.1 |
||
| Peterborough | 29 |
3 |
0.8 |
||
| Port Stanley | 51 |
182 |
3.1 |
||
| Sarnia | 42 |
143 |
6.8 |
1.4 |
|
| Sault Ste. Marie | 26 |
23 |
2 |
0.3 |
|
| St. Catharines | 49 |
93 |
1.8 |
||
| Sudbury | 31 |
3 |
1.6 |
2.6 |
|
| Thunder Bay | 20 |
153 |
2.2 |
||
| Tiverton | 29 |
174 |
|||
| Toronto Downtown | 26 |
6 |
11.5 |
||
| Toronto East | 27 |
5 |
1.9 |
||
| Toronto North | 37 |
7 |
3.3 |
0 |
|
| Toronto West | 36 |
8 |
1.3 |
0.1 |
0.14 |
| Windsor Downtown | 36 |
145 |
2.1 |
0.2 |
1.18 |
| Windsor West | 34 |
151 |
2.4 |
0.3 |
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.
