Valley under high pollution advisory Friday - East Valley Tribune: Health

Valley under high pollution advisory Friday

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Posted: Friday, May 3, 2013 2:33 pm | Updated: 7:39 am, Wed May 8, 2013.

High Pollution Advisory was issued for the remainder of Friday by the Arizona Department of Enviornmental Quality.

This air pollution advisory was issued because wind from the east transported a large amount of dust into the Phoenix metropolitan area from southwestern New Mexico and northern Mexico on Friday morning. Satellite imagery captured the large cloud of dust moving westward. Large increases in PM-10 levels were noted in southeastern Arizona on Thursday.

“A high pollution advisory for PM-10 means all people, especially sensitive populations such as children, the elderly and those with respiratory problems, need to minimize their exposure,” Maricopa County Air Quality Department Director Bill Wiley said. “In addition each of us should do our part in reducing dust generating activities including leaf blowers and driving on dirt roads or vacant lots.”

As a result, the Maricopa County Air Quality Department is enforcing the mandatory “No Burn Day” restriction for Maricopa County for the remainder of Friday. Businesses conducting dust-generating operations are urged to be vigilant in their dust control measures.

This HPA also includes the following restrictions:

· Contractors cannot use leaf blowers on governmental properties on HPA days.

· Open burning activity is restricted in Maricopa County. This includes individuals and businesses which have burn permits for open burning.

· Off-highway vehicles are prohibited from being used during a PM-10 HPA.

ADEQ recommends that children and adults with respiratory problems avoid outdoor activities the remainder of Friday and suggests the general public limit outdoor activity throughout the day and evening hours.

PM-10 stands for particulate matter measuring 10 microns or less. PM-2.5 stands for particulate matter measuring 2.5 microns or less. To put this in perspective, one strand of human hair is 70-100 microns in size.

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