70scout was right, you can forget about Fairplay.
Here is the home page for Pike National Forest:
Click on the button with "closed to all recreation" and you can read the closure order.
Click on "Maps and Brochures" in the list on the left and you can see the area involved. Mosquito pass is in the Leadville and South Park ranger districts.
I talked to the Arapaho Forest visitor's center. Trails in other forests are open, but ALL fires are banned. Here is a link to a list of other forests: