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California Unknown Air Quality Alert | Effective 06/18/2026 14:40

* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in the Coachella Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...until 11 AM Saturday. * IMPACTS... Particle pollution can get deep into the lungs and

Colorado Unknown Air Quality Alert | Effective 06/18/2026 13:10

The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday June 17 to 400 PM Thursday June 18 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Breezy winds will limit ozone development on Wednesday. However, hot and stagnant weather will allow ozone

Colorado Unknown Air Quality Alert | Effective 06/18/2026 13:10

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Ozone. WHERE...Mesa County. Locations include, but are not limited to Grand Junction and Palisade. WHEN...200 PM Thursday June 18 to 1000 PM Thursday June 18 IMPACTS...A weather event known as a stratospheric intrusion is occurring. During these events, ozone from high in the atmosphere is pulled to the ground, resulting in elevated ozone

California Unknown Air Quality Alert | Effective 06/18/2026 12:10

* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of fine particle pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...Boyle Heights and East Los Angeles. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...until 12:30 PM Friday. * IMPACTS...Particle pollution can get deep into the lungs and cause

California Unknown Air Quality Alert | Effective 06/17/2026 16:23

* WHAT...The South Coast AQMD has issued an air quality alert due to increased fine particle pollution from wildfire smoke. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in the San Gorgonio Pass, the Coachella Valley, Lake Elsinore and Hemet-San Jacinto Valley. Levels of particle pollution can vary by time and location depending on fire activity and local weather conditions. * WHEN...until 11:59 PM Thursday.

California Unknown Air Quality Alert | Effective 06/17/2026 16:23

* WHAT...The South Coast AQMD has issued an air quality alert due to increased fine particle pollution from wildfire smoke. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in the San Gorgonio Pass, the Coachella Valley, Lake Elsinore and Hemet-San Jacinto Valley. Levels of particle pollution can vary by time and location depending on fire activity and local weather conditions. * WHEN...until 5 PM Wednesday.

Colorado Unknown Air Quality Alert | Effective 06/17/2026 15:10

The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday June 17 to 400 PM Thursday June 18 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Breezy winds will limit ozone development on Wednesday. However, hot and stagnant weather will allow ozone
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