MORE WEATHER Inversions are common in Utah, Manhan said. At its peak, the smog covered the view of the mountain range. "It took about three or four days to start building the haze -- the visible ...

These are questions I’ve often asked myself – usually on those rare, wondrous high-visibility when the Sierra is staring us in the face. What peaks, ridges and river drainages ...

According to AirNow.gov, Mountain View and Pahala is currently experiencing unhealthy air quality levels for sensitive groups. Vog, also known as smog or haze, contains volcanic dust and gases.