air

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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…

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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…

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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…

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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.…

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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…

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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.…

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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…

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Winter Storm for Mid-Atlantic and Northeast; Arctic Air Spreads South and East into Next Week

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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…

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Arctic Air Spreads South and East from Rockies Friday through Next Week