AIR POLLUTION
CONTROL DISTRICT

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Old Advisory Events

The information herein is NOT intended for use as a weather forecast. The Air District DOES NOT forecast but solely compiles information from both the Phoenix and San Diego National Weather Offices to relay information concerning potential changes in ambient air concentrations that may impact the public.

July 4 2017
Be Advised
High wind levels have the potential to suspend particulate matter into the air. High levels of PM10 may pose an impact to public health. It is recommended that active children and adults, and people with respiratory disease, such as asthma, limit their outdoor activities.

Potential increases in PM10 concentrations may increase to moderate or unhealthy level.

Imperial County Weather Synopsis
SYNOPSIS FROM THE SAN DIEGO OFFICE
Strengthening high pressure over the central and southern Rockies will bring a warming trend and a shallower marine layer this week. Increasing monsoonal moisture will bring greater chances of thunderstorms over the mountains and deserts Wednesday through Saturday.
SYNOPSIS FROM THE PHOENIX OFFICE
Temperatures will remain above normal through this week as high pressure predominates across the Desert Southwest. A gradual increase in moisture will lead to isolated thunderstorm development over mainly the higher terrain of Arizona through midweek. The threat of thunderstorms will then expand westward into the lower deserts late this week and weekend.
Weather Story Phoenix Station Weather Story San Diego Station
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Advisory Events Archive