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.

April 5 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
High pressure aloft will gradually weaken the next few days. After a warm day today, a cooling trend will begin Thursday through Saturday. A low pressure trough arrives in California and will bring a chance of showers Friday night and Saturday. Weak high pressure will return next week bringing fair and warmer weather.

SYNOPSIS FROM THE PHOENIX OFFICE
High pressure will build back into the region today through Friday resulting in a strong warming trend. A Pacific low pressure system will move into the region Saturday bringing a chance of showers to mainly central and eastern Arizona, windy conditions, and a cooling trend. Near normal temperatures Sunday and Monday will be short-lived as another significant warming trend is likely for the middle of next week.
Weather Story Phoenix Station Weather Story San Diego Station
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