A spokeswoman for crews fighting Oregon Cascade Range wildfires blamed for making the air unhealthy over a wide area says smoke from the Deception Complex has lessened.

Spokeswoman Rita Dyer says the fires on Thursday generated less smoke than the giant plume that drew concerned calls on Wednesday from as far away as the central Oregon community of Bend.

She says another expected air inversion could make things smoky early Friday. The forecast calls for cooler temperatures and higher humidity that should help firefighters.

Residents of a mobile home park and along a road near the wildfires were on evacuation alert after being temporarily evacuated on Wednesday.

Dyer says any residents with mobility issues have left the area.

The wildfire complex has burned across nearly 3 square miles.