Placentia Weather

Effective:

2025-08-05T15:05:00-07:00

Expires:

2025-08-07T00:00:00-07:00

Certainty:

Unknown

Event:

Air Quality Alert

Type:

Alert

Severity:

Unknown

Urgency:

Unknown

Areas:

Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains

* WHAT...The South Coast AQMD has extended an air quality alert due to increased fine particle pollution from wildfire smoke. * WHERE...San Bernardino Mountains, Angeles National Forest, San Jacinto Mountains, Coachella Valley, the Santa Rosa Reservation,and parts of the Inland Empire. Levels of particle pollution can vary by time and location depending on fire activity and local weather conditions. * WHEN...Tuesday afternoon through Wednesday. * IMPACTS...Particles in wildfire smoke can get deep into the lungs and cause serious health problems such as heart attacks, strokes, asthma attacks, and difficulty breathing. Everyone can be affected, but people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.

Instruction: To protect your health, if you smell or see smoke: * Remain indoors with windows and doors closed * Avoid intense outdoor physical activity * Run your air conditioner and/or an air purifier * If you must be outdoors, keep the time brief and wear a well- fitting N-95 mask * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and garden equipment * ADDITIONAL DETAILS... To view current and forecasted air quality levels, visit the South Coast Air Quality Management District website at aqmd.gov or download the mobile app at www.aqmd.gov/mobileapp. Additional details for this air quality alert may be available at www.aqmd.gov/advisory. To view current and forecasted air quality levels, visit the Mojave Desert Air Quality Management District website at mdaqmd.ca.gov. Additional details for this air quality alert may be available at www.mdaqmd.ca.gov/advisories. To view current and forecasted air quality levels, visit the antelope Valley Air Quality Management District website at www.avaqmd.ca.gov.

Effective:

2025-08-05T15:05:00-07:00

Expires:

2025-08-07T00:00:00-07:00

Certainty:

Unknown

Event:

Air Quality Alert

Type:

Alert

Severity:

Unknown

Urgency:

Unknown

Areas:

Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains

* WHAT...The South Coast AQMD has extended an air quality alert due to increased fine particle pollution from wildfire smoke. * WHERE...San Bernardino Mountains, Angeles National Forest, San Jacinto Mountains, Coachella Valley, the Santa Rosa Reservation,and parts of the Inland Empire. Levels of particle pollution can vary by time and location depending on fire activity and local weather conditions. * WHEN...Tuesday afternoon through Wednesday. * IMPACTS...Particles in wildfire smoke can get deep into the lungs and cause serious health problems such as heart attacks, strokes, asthma attacks, and difficulty breathing. Everyone can be affected, but people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.

Instruction: To protect your health, if you smell or see smoke: * Remain indoors with windows and doors closed * Avoid intense outdoor physical activity * Run your air conditioner and/or an air purifier * If you must be outdoors, keep the time brief and wear a well- fitting N-95 mask * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and garden equipment * ADDITIONAL DETAILS... To view current and forecasted air quality levels, visit the South Coast Air Quality Management District website at aqmd.gov or download the mobile app at www.aqmd.gov/mobileapp. Additional details for this air quality alert may be available at www.aqmd.gov/advisory. To view current and forecasted air quality levels, visit the Mojave Desert Air Quality Management District website at mdaqmd.ca.gov. Additional details for this air quality alert may be available at www.mdaqmd.ca.gov/advisories. To view current and forecasted air quality levels, visit the antelope Valley Air Quality Management District website at www.avaqmd.ca.gov.