Photos: Arizona dust storms
Most of the thick dust that blanketed Pima County three weeks ago with record-setting particle pollution probably traveled at least 300 miles from the Imperial Valley area of farm fields and deserts west of El Centro, Calif., a University of Arizona researcher says. Look through the gallery to view some of Arizona's past dust storms.
Arizona dust storms
Photo of dust storm from the University of Arizona campus at Sixth Street and Park Avenue looking south towards the Tucson International Airport. photo by: J.J. Brost/National Weather Service May 2011
Arizona dust storms
A dust storm rolls through the Ahwatukee and south Phoenix area, Monday evening, July 18, 2011. The dust wall was about 3,000 feet (900 meters) high and created winds of 25 to 30 mph (40 to 48 kph), with gusts of up to 40 mph (64 kph), said Austin Jamison, a meteorologist with the National Weather Service. (AP Photo/The Arizona Republic, Nick Oza)
Arizona dust storms
A haboob passes by Sky Harbor International Airport as it heads north to downtown Phoenix Monday, July 18, 2011. The dust wall was about 3,000 feet high and created winds of 25 to 30 mph, with gusts of up to 40 mph, said Austin Jamison, a meteorologist with the National Weather Service. Visibility was down to less than a quarter-mile in some areas, he said. (AP Photo/The Arizona Republic, Josh Radtke)
Arizona dust storms
A vehicle drives through a brown cloud of blowing sand during a dust storm Monday, July 18, 2011, in Phoenix. The dust wall was about 3,000 feet high and created winds of 25 to 30 mph, with gusts of up to 40 mph, said Austin Jamison, a meteorologist with the National Weather Service. Visibility was down to less than a quarter-mile in some areas, he said. (AP Photo/Ross D. Franklin)
Arizona dust storms
A truck tries to drive through a dust storm in downtown Phoenix, Tuesday, July 5, 2011. (AP Photo/Ross D. Franklin)
Arizona dust storms
A dust storm moves northwest through Pinal County, Ariz., near Interstate 10 and 587, Monday, July 18, 2011. (AP Photo/The Arizona Republic, David Kadlubowski)
Arizona dust storms
A dust storm hovers over Queen Creek, Ariz. Thursday, Aug. 18, 2011. The dust storm, also known as a haboob in Arabic and around Arizona, swept through Pinal County and headed northeast, reaching Phoenix at about 6 p.m. It was the third major dust storm to hit the Phoenix metro area since last month. (AP Photo/Matt York)
Arizona dust storms
A dust storm known as a "haboob" rolls into downtown Phoenix on Tuesday night, July 5, 2011, bringing strong winds and low visibility. Habubs are part of Arizona's annual monsoon season, which is now in full swing. (AP Photo/Amanda Lee Myers)
Arizona dust storms
A giant dust storm covers Phoenix, Tuesday, July 5, 2011. (AP Photo/The Arizona Republic, Rob Schumacher)
Arizona dust storms
A high wind advisory warns motorists along I-10 in Phoenix, Monday, April 8, 2013. The National Weather Service has issued high wind and blowing dust advisories with wind gusts as high as 60 mph this afternoon and into the early evening. (AP Photo/Matt York)
Arizona dust storms
High winds create a dust haze around a new community, Monday, April 8, 2013 in Gilbert, Ariz. The National Weather Service has issued high wind and blowing dust advisories with wind gusts as high as 60 mph this afternoon and into the early evening. (AP Photo/Matt York)
Arizona dust storms
High winds and lots of dust and other things in the air today make for a pretty nasty day Monday November 20, 2006 in Tucson, Arizona. This is looking east on Congress st. toward town as a lot of dust is brewing in the background near the tall buildings.Photo by Benjie Sanders/Arizona Daily Star.
Arizona dust storms
A dust devil kicks up sand near a saguaro in Red Rock, AZ. Scientists are trying to figure out why giant (and small) dust storms called Haboobs are hitting Tucson and Phoenix areas. Photo by David Sanders/Arizona Daily Star.
Arizona dust storms
A haboob passes by Sky Harbor International Airport as it heads north to downtown Phoenix Monday, July 18, 2011. The dust wall was about 3,000 feet high and created winds of 25 to 30 mph, with gusts of up to 40 mph, said Austin Jamison, a meteorologist with the National Weather Service. Visibility was down to less than a quarter-mile in some areas, he said. (AP Photo/The Arizona Republic, Josh Radtke)
Arizona dust storms
A billowing cloud of dust kicked up by gusty winds envelopes a west bound truck as it sweeps over I-10 just north of the Sunshine Blvd interchange, Tue. Mar. 6, 2012, Eloy, Ariz. Traffic came to a halt several times on that stretch of the highway due to low visibility from the dust. Kelly Presnell/ARIZONA DAILY STAR
Arizona dust storms
Photo of dust storm moving in the River Road and Swan. photo by: Margie Wrye May 2011
Arizona dust storms
Dust storm moves through Tucson, shown here near the Fourth Avenue and University Boulevard area. photo by: David Graff May 2011
Arizona dust storms
Safford Peak is blocked by the dust in the air Wednesday, April 15th,2009 as wind from a storm system moving through Arizona produced winds of 25-35 MPH. Photo Jim Davis/ Arizona Daily Star/ digital
Arizona dust storms
Blowing dust near Green Valley or Sahuarita on April 8, 2013. Courtesy Pima County
Arizona dust storms
Blowing dust near Green Valley or Sahuarita on April 8, 2013. Courtesy Pima County
Arizona dust storms
Blowing dust near Green Valley or Sahuarita on April 8, 2013. Courtesy Pima County
Arizona dust storms
Dust storm on I-10 in Pinal County near Toltec on Jan. 21, 2010. Photo by John Humenik/Arizona Daily Star
Arizona dust storms
High gusty winds blew dust all over town and the bone yard at DMAFB was no exception as the dust blows all over these planes near Kolb rd. and Escalante rd. Tuesday October 27, 2009, in Tucson, Arizona as a cold front is moving in. Photo by Benjie Sanders/Arizona Daily Star
Arizona dust storms
Cars drive westbound through a dust storm near exit 236 on Interstate 10, Tuesday October 27, 2009 in Tucson, Ariz. 10/27/09 Photo by James S. Wood Arizona Daily Star
Arizona dust storms
Officer Carrick Cook with the Arizona Dept. of Public Safety fights the dust and wind as he walks west on Interstate 10 from a fatal multi-vehicle collision near Picacho Peak, Ariz. on Tuesday, Oct. 4, 2011. A blinding dust storm rolled across the Arizona desert Tuesday, causing three pileups involving dozens of vehicles on the major interstate. One man was killed and at least 15 other people were injured, authorities said. (AP Photo/Arizona Daily Star, Kelly Presnell)
Once again, Southern California has blazed a trail for Arizona - this time, a dusty trail.
CASA GRANDE — Three people were killed and at least 12 injured after a dust storm led to multiple crashes Tuesday on Interstate 10 between Pho…