Station Name: LOS ANGELES R A SEPULVEDA DAM CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 679 feet / 207 meters

Nearest Address:
5023 Sepulveda Blvd
Sherman Oaks, CA 91403
Los Angeles County

GPS Coordinates: 34.16167247, -118.466749

Nearby Water Temperatures

Air Quality Alert issued July 7 at 2:31PM PDT by NWS Los Angeles/Oxnard CA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon July 7, 2025, 2:31 PM
Expires: Thu July 10, 2025, 8:15 PM

* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of ozone pollution. * WHERE...in the . Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...Monday 2:30 PM until Thursday 8:00 PM. 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.

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. * 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 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. To view current and forecasted air quality levels, visit the San Diego County Air Pollution Control District website at www.sdapcd.org/content/sdapcd/air-quality.html. Additional details for this air quality alert may be available at www.sdapcd.org/content/sdapcd/air-quality/smoke-advisory.html.

Air Quality Alert issued July 9 at 8:20AM PDT by NWS Los Angeles/Oxnard CA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed July 9, 2025, 8:20 AM
Expires: Thu July 10, 2025, 8:00 PM

* 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

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.

Air Quality Alert issued July 9 at 5:03PM PDT by NWS Los Angeles/Oxnard CA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed July 9, 2025, 5:03 PM
Expires: Thu July 10, 2025, 8:15 PM

* 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

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.

Air Quality Alert issued July 9 at 3:30PM PDT by NWS Los Angeles/Oxnard CA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed July 9, 2025, 3:30 PM
Expires: Thu July 10, 2025, 8:15 PM

Corrected expiration time * 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

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.

Heat Advisory issued July 10 at 10:34AM PDT until July 10 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Effective: Thu July 10, 2025, 10:34 AM
Expires: Thu July 10, 2025, 8:00 PM

* WHAT...Hot daytime temperatures in the upper 90s up to around 105 degrees. * WHERE...Calabasas and Agoura Hills, Santa Clarita Valley, Southeastern Ventura County Valleys, and Western San Fernando Valley. * WHEN...Until 8 PM PDT this evening. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.