The year is marked by changes in the weather, ecology, and amount of daylight, and these changes result from earth's orbit around the sun and earth's axial tilt relative to the ecliptic plane.

With the return of the strong Santa Ana winds in Los Angeles County, the air quality will be changing quickly, especially for ...

NBC Universal, Inc. The Los Angeles County Department of Public Health issued a Windblown Dust and Ash Advisory until 10 p.m. Tuesday due to the strong Santa Ana winds that may affect air quality ...

The dust and ash advisory will be in effect until 7 p.m. Wednesday. "It is important to remain vigilant about air quality. Fire and wind conditions can increase the amount of particulate matter ...

winds will increase tomorrow bringing blowing dust to the viewing area. That will be followed by much colder air overtaking West Texas this weekend. Here’s our updated outlook. First, some rather ...

“These findings suggest that optimizing the inclination angle of PV panels can effectively reduce the impact of dust accumulation.” Next, the team analyzed the effects of wind direction on ...