Choose date options.
| Station | O3 (ppb) | PM2.5 (µg/m3) | NO2 (ppb) | SO2 (ppb) | CO (ppm) |
|---|---|---|---|---|---|
| Barrie | 30 |
86 |
1.7 |
||
| Belleville | 41 |
66 |
1.9 |
||
| Brampton | 35 |
126 |
2.4 |
||
| Brantford | 42 |
131 |
2.6 |
||
| Burlington | 28 |
92 |
5.7 |
||
| Chatham | 50 |
108 |
1.8 |
||
| Cornwall | 36 |
8 |
0.7 |
||
| Dorset | 37 |
9 |
|||
| Grand Bend | 29 |
377 |
2.4 |
||
| Guelph | 33 |
130 |
1.6 |
||
| Hamilton Downtown | 28 |
137 |
3 |
0.2 |
1.24 |
| Hamilton Mountain | 33 |
126 |
2.7 |
0.2 |
|
| Hamilton West | 30 |
134 |
3.8 |
||
| Kingston | 36 |
54 |
1.7 |
||
| Kitchener | 39 |
270 |
2.7 |
||
| London | 48 |
428 |
1.7 |
||
| Milton | 38 |
135 |
1.8 |
0.3 |
|
| Mississauga | 36 |
118 |
2.9 |
||
| Newmarket | 45 |
170 |
2.1 |
||
| North Bay | 36 |
4 |
0.4 |
||
| Oakville | 34 |
116 |
2.4 |
||
| Oshawa | 48 |
138 |
2.2 |
||
| Ottawa Downtown | 36 |
6 |
0.7 |
||
| Parry Sound | 31 |
35 |
1.2 |
||
| Peterborough | 40 |
104 |
1.1 |
||
| Port Stanley | 48 |
243 |
3.1 |
||
| Sarnia | 38 |
424 |
3.4 |
0.3 |
|
| Sault Ste. Marie | 33 |
88 |
2.3 |
0.1 |
|
| St. Catharines | 36 |
73 |
3.1 |
||
| Sudbury | 38 |
4 |
1 |
0 |
|
| Thunder Bay | 15 |
320 |
6.5 |
||
| Tiverton | 25 |
344 |
|||
| Toronto Downtown | 36 |
104 |
6.6 |
||
| Toronto East | 31 |
101 |
6.9 |
||
| Toronto North | 36 |
109 |
3 |
0 |
|
| Toronto West | 30 |
108 |
9.1 |
0.1 |
0.88 |
| Windsor Downtown | 64 |
306 |
7.4 |
0.5 |
2.18 |
| Windsor West | 65 |
287 |
6.4 |
0.5 |
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.
