33°53'北 / 118°23'西 / 高度 34 m / 12:33 2026-07-26, America/Los_Angeles (UTC-7)
开始于: 2026-07-26, 11:26
到: 2026-07-27, 03:00
* WHAT...Hot daytime conditions with high temperatures between 100 and 108 common. Warm overnight conditions will bring less relief than usual. * WHERE...Antelope Valley. * WHEN...Until 8 PM PDT Monday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors.
Los Angeles
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Do not leave young
children and pets in unattended vehicles. Limit strenuous activities
to early morning or evening. Take action when you see symptoms of
heat exhaustion.
NWS Los Angeles/Oxnard CA
2026-07-26, 11:26
开始于: 2026-07-25, 13:50
到: 2026-07-27, 16:00
* WHAT...Large breaking waves of 3 to 6 feet. Dangerous rip currents. * WHERE...Ventura County Beaches, Malibu Coast and Los Angeles County Beaches. * WHEN...Through Wednesday afternoon. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore.
Los Angeles County Beaches,Los AngelesRemain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.NWS Los Angeles/Oxnard CA2026-07-25, 13:50开始于: 2026-07-26, 11:26
到: 2026-07-27, 03:00
* WHAT...Hot daytime conditions with high temperatures between 97 and 107 common. Warm overnight conditions will bring less relief than usual. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Monday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors.
Los AngelesDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Do not leave young
children and pets in unattended vehicles. Limit strenuous activities
to early morning or evening. Take action when you see symptoms of
heat exhaustion and heat stroke.NWS Los Angeles/Oxnard CA2026-07-26, 11:26开始于: 2026-07-26, 11:26
到: 2026-07-27, 03:00
* WHAT...Very warm and humid daytime conditions with high temperatures between 82 and 92 common. Warm overnight conditions will bring less relief than usual. * WHERE...Los Angeles County Beaches, Los Angeles County Inland Coast including Downtown Los Angeles, Malibu Coast, Palos Verdes Hills, Santa Barbara County Southeastern Coast, Ventura County Beaches, and Ventura County Inland Coast. * WHEN...Until 8 PM PDT Monday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors.
Los Angeles,Los Angeles County BeachesDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Do not leave young
children and pets in unattended vehicles. Limit strenuous activities
to early morning or evening. Take action when you see symptoms of
heat exhaustion.NWS Los Angeles/Oxnard CA2026-07-26, 11:26
开始于: 2026-07-22, 17:20
到: 2026-07-27, 20:00
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of ozone pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in the South Coast Air Basin and Coachella Valley. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...until 8 PM Monday. 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.
Los AngelesTo 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 eveningNWS Los Angeles/Oxnard CA2026-07-22, 17:20