Fire officials in Spokane County say they've tracked 26 drones crossing into restricted airspace above active firefighting operations since Saturday. When a drone shows up in that airspace, helicopters and air tankers have to stop flying immediately, grounded until crews confirm the sky is clear again. Fires Growing While Aircraft Sit IdleThe fires burning across Spokane County have already scorched more than 7,000 acres. Ways To Improve Indoor Air Quality During Wildfire Smoke Wildfire smoke can have both short and long-term impacts on your health. Here's what the EPA recommends when it comes to improving air quality during periods of heavy wildfire smoke in your region.