weeks before it is under control. the rim fire now roughly the size of new york city with just 30% containment. fox's claudia cowan is live from california. so, claudia, we understand that crews are now using drones to help fight the fire? >> reporter: they are, that's right. you know, firefighters are using every resource available to help them fight this massive wildfire in the california national guard's predator drone can actually spot fires that crews on the ground can't see burning there in the remote, rugged canyons. thick smoke in the mornings have also grounded the water-dropping helicopters and the air tankers. well, that drone can provide realtime information about where to conduct those drops once the smoke clears, typically at around noon. the dirty air is making life tough for firefighters and residents. >> we advise citizens to, you know, don't do your normal outdoor activity, wait til the evening. in fact, all the schools in this county are still closed due to