Air Quality Alert issued January 22 at 1:32PM PST by NWS Los Angeles/Oxnard CA
The Ventura County Air Pollution Control District has issued an air quality alert due to increased particulate matter from wildfire smoke in Fillmore/Piru, Santa Paula, Ventura, Oxnard, Camarillo, the Conejo Valley, and Simi Valley/Moorpark. The air quality alert is in effect until 12:00 pm Friday January 24, 2025. Localized air quality could fluctuate depending on wind conditions. Particulate matter can vary hour by hour and change frequently; at times producing unhealthy air quality in Ventura County. Forecast AQI colors are meant to be as representative as possible for the 24-hour day. Air quality may fluctuate and is likely to be
Air Stagnation Advisory issued January 21 at 10:36PM PST until January 24 at 12:00PM PST by NWS Medford OR
* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 28 expected along the coast with colder temperatures inland. * WHERE...For the air stagnation advisory this includes the Coquille Valley. For the freeze warning, this includes the South Central Oregon Coast. * WHEN...For the Air Stagnation Advisory, until noon PST Friday. For the Freeze Warning, from 2 AM to 8 AM PST Wednesday. * IMPACTS...Poor air quality may cause issues for
Air Stagnation Advisory issued January 21 at 12:11AM PST until January 24 at 12:00PM PST by NWS Medford OR
* WHAT...A strong inversion and stagnant air conditions near the surface will continue to trap pollutants. * WHERE...The valleys of Josephine, Jackson, Douglas, Klamath, Lake, and eastern Coos and Curry counties. This includes the cities of Medford, Ashland, Shady Cove, Provolt, Cave Junction, Grants Pass, Agness, Coquille, Elkton, Roseburg, Canyonville, Klamath Falls, Crescent, Lakeview, Silver Lake, and surrounding areas. * WHEN...Until noon PST Friday. * IMPACTS...Stagnate air conditions may lead to worsening air quality, which in turn may cause issues for people with respiratory problems.
Air Quality Alert issued January 20 at 11:45PM PST by NWS Los Angeles/Oxnard CA
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of windblown dust and ash. * WHERE...South Coast Air Basin. Pollution levels can vary by time and location depending on emissions and local weather conditions. * WHEN...Through 10 PM Tuesday. * IMPACTS...Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of respiratory infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend
Air Stagnation Advisory issued January 19 at 6:05PM PST until January 21 at 10:00AM PST by NWS Medford OR
* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 30 expected along the coast with colder temperatures inland. * WHERE...For the air stagnation advisory this includes the Coquille Valley. For the freeze warning, this includes the South Central Oregon Coast. * WHEN...For the Air Stagnation Advisory, until 10 AM PST Tuesday. For the Freeze Warning, from 1 AM to 8 AM PST Monday. * IMPACTS...Poor air quality may cause issues
Air Quality Alert issued January 19 at 9:33PM PST by NWS Los Angeles/Oxnard CA
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of windblown dust and ash. * WHERE...in the South Coast Air Basin. Pollution levels can vary by time and location depending on emissions and local weather conditions. * WHEN...10 AM Monday through 10 PM Tuesday. * IMPACTS...Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of respiratory infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant
Air Stagnation Advisory issued January 18 at 9:06PM PST until January 21 at 10:00AM PST by NWS Medford OR
* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 30 expected along the coast with colder temperatures just inland. * WHERE...For the air stagnation advisory this includes the Coquille Valley. For the freeze warning, this includes the South Central Oregon Coast. * WHEN...For the Air Stagnation Advisory, until 10 AM PST Tuesday. For the Freeze Warning, from 1 AM to 8 AM PST Sunday. * IMPACTS...Poor air quality may cause
Air Quality Alert issued January 17 at 2:03AM MST by NWS Rapid City SD
The following message is transmitted in collaboration with the South Dakota Department of Agriculture and Natural Resources. * WHAT...Northwest winds of 25 to 35 mph with gusts around 45 mph. * WHERE...West of the Gap in Rapid City. * WHEN...Mid-morning today through this afternoon. IMPACTS...The gusty winds will suspend fine dust in the air and produce poor air quality.