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Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Friday from Pima County that some residents should avoid intense physical outdoor activity.
Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Thursday from Pima County that some residents should avoid intense physical outdoor activity.
Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Wednesday from Pima County that some residents should avoid intense physical outdoor activity.
Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Friday from Pima County that some residents should avoid intense physical outdoor activity.
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