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High ozone levels may continue through weekend
Friday will be the eighth day this year the Valley’s been under a high pollution warning. Continued high temperatures could lead to more ozone advisories through the weekend.
All week, the
Eric Massey at the Arizona Department of Environmental Quality said ozone buildup is often cyclical – sometimes we have good years, sometimes bad years. So far, 2012 hasn’t been so good. And there might be more pollution advisories on the way.
“My forecasters are pretty concerned about concentrations coming up for this weekend, given all of the heat," Massey said. "Typically, September is a pretty clean month for us here in