A temperature inversion was stopping the dust from that storm from settling or mixing as it typically. Here's what to know about the haze over metro Phoenix and what is causing it. Worley said the ...

However, one really ambitious and dramtic endeavour was yet to come: capturing a dust storm as it barrelled towards Phoenix City in Arizona, all from the vantage point of a helicopter. The catch?

Wind speeds around 10 miles per hour are ideal for dispelling pollution, but anything over 20 miles per hour will likely stir up dust. And with minimal rain since Aug. 22 in Phoenix, conditions on ...

As hazy skies linger over metro Phoenix, some people may wonder if smoke from the Southern California wildfires is to blame. But while the Valley is under the influence of a similar weather system, it ...