local environmental experts said today's fire was actually a good thing. this doctor says that the fire burned of the chemicals and their vapors, which is good for people in the immediate area. she says it's a good thing today was clear and sunny with minimal winds. that helped raise the smoke plume away from the firefighters and the surrounding neighborhoods. >> sunshine creates more turbulence in the atmosphere. it heats the grounds surface and the air rises. we had good vertical turbulence today. >> she said air pollutants will half the levels outside.