Weather 93007, Ventura

Effective:

2025-07-09T08:20:00-07:00

Expires:

2025-07-10T20:00:00-07:00

Certainty:

Unknown

Event:

Air Quality Alert

Type:

Alert

Severity:

Unknown

Urgency:

Unknown

Areas:

Calabasas and Agoura Hills; Eastern San Fernando Valley; Eastern San Gabriel Mountains; Interstate 5 Corridor; Los Angeles County Inland Coast including Downtown Los Angeles; Los Angeles County San Gabriel Valley; Santa Clarita Valley; Santa Susana Mountains; Western San Fernando Valley; Western San Gabriel Mountains and Highway 14 Corridor

* WHAT...The South Coast AQMD has updated an air quality alert due to harmful levels of ozone pollution. * WHERE...In Metropolitan Los Angeles, the San Fernando Valley, Santa Clarita, and the San Gabriel Mountains. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...Until Thursday at 800 PM PDT. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS...Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. * ADDITIONAL DETAILS...To help keep indoor air clean when air quality is poor: * Keep windows and doors closed * Run your air conditioner and/or an air purifier * 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, and grilling To help minimize outdoor ozone air pollution levels: * Limit the use of gasoline powered lawn and garden equipment until evening hours * Try to delay trips to the gas station and the use of household chemicals until the evening

Instruction: To protect your health, check air quality levels and act as needed: * When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups" (orange), sensitive groups as specified above should limit extended or intense outdoor activity. * When AQI is "Unhealthy" (red), everyone may experience health impacts. Sensitive groups should avoid extended time outdoors. * When AQI is "Very Unhealthy" (purple), sensitive groups should avoid all outdoor physical activity. Everyone else should avoid extended or intense outdoor activity. * When AQI is "Hazardous" (maroon), everyone should avoid all outdoor physical activity. To view current and forecasted air quality levels in the South Coast Air Basin, 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 in the High Desert portion of Los Angeles County, visit the Antelope Valley Air Quality Management District website at www.avaqmd.ca.gov.

Effective:

2025-07-09T17:03:00-07:00

Expires:

2025-07-10T20:15:00-07:00

Certainty:

Unknown

Event:

Air Quality Alert

Type:

Alert

Severity:

Unknown

Urgency:

Unknown

Areas:

Calabasas and Agoura Hills; Eastern San Fernando Valley; Eastern San Gabriel Mountains; Interstate 5 Corridor; Los Angeles County Inland Coast including Downtown Los Angeles; Los Angeles County San Gabriel Valley; Santa Clarita Valley; Santa Susana Mountains; Western San Fernando Valley; Western San Gabriel Mountains and Highway 14 Corridor

* WHAT...The South Coast AQMD has updated an air quality alert due to harmful levels of ozone pollution. * WHERE...In Metropolitan Los Angeles, the San Fernando Valley, Santa Clarita, and the San Gabriel Mountains. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...Until Thursday at 800 PM PDT. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS...Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. * ADDITIONAL DETAILS...To help keep indoor air clean when air quality is poor: 00 * Keep windows and doors closed * Run your air conditioner and/or an air purifier * 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, and grilling To help minimize outdoor ozone air pollution levels: * Limit the use of gasoline powered lawn and garden equipment until evening hours * Try to delay trips to the 00gas station and the use of household chemicals until the evening

Instruction: To protect your health, check air quality levels and act as needed: * When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups" (orange), sensitive groups as specified above should limit extended or intense outdoor activity. * When AQI is "Unhealthy" (red), everyone may experience health impacts. Sensitive groups should avoid extended time outdoors. * When AQI is "Very Unhealthy" (purple), sensitive groups should avoid all outdoor physical activity. Everyone else should avoid extended or intense outdoor activity. * When AQI is "Hazardous" (maroon), everyone should avoid all outdoor physical activity. To view current and forecasted air quality levels in the South Coast Air Basin, 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 in the High Desert portion of Los Angeles County, visit the Antelope Valley Air Quality Management District website at www.avaqmd.ca.gov.