Ontario general election, 2011 Opinion polls Opinion polls

| Polling_Firm | Date_of_Polling | Link | Liberal | Green |
|---|---|---|---|---|
| Environics | October 2009 | HTML | 32 | 11 |
| Environics | June 2009 | HTML | 44 | 8 |
| Environics | April 2009 | HTML | 44 | 11 |
| Environics | January 2009 | HTML | 45 | 11 |
| Environics | November 2008 | HTML | 35 | 13 |
| Environics | June 2008 | HTML | 41 | 12 |
| Environics | March 2008 | HTML | 38 | 12 |
| Environics | January 2008 | HTML | 45 | 2 |
| Environics | November 2007 | HTML | 44 | 3 |
| Election 2007 | October 10, 2007 | HTML | 42.3 | 8.0 |