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 24 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
Monsoonal moisture will bring a chance of showers and thunderstorms with this afternoon and evening for the mountains...deserts...and Inland Empire with smaller chances elsewhere and at other times. The chance for mountain and desert thunderstorms will continue on Tuesday...decreasing on Wednesday. Warming with decreasing humidities for Wednesday through Friday. Slow cooling and a slow return of monsoonal moisture for next weekend through early next week may return the chance for afternoon thunderstorms for the mountains and deserts.
SYNOPSIS FROM THE PHOENIX OFFICE
Thunderstorm activity can be expected across the region today, especially over northern and southwestern Arizona. Cloud cover and a moist atmosphere will lead to cooler temperatures today. This will be followed by drier southwesterly flow aloft leading to warmer temperatures along with fewer storms across the region Tuesday through Thursday. More active monsoon conditions return by next weekend.
Weather Story Phoenix Station Weather Story San Diego Station
Image for Phoenix Station Weather Story Image for San Diego Station Weather Story

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