The U.S. issued multiple Air Quality Alerts from August 18 to August 21, 2026, for ozone pollution across Atlanta, Denver, Phoenix, Oklahoma, Memphis, and other metropolitan areas. Alerts ranged from Code Orange to High Pollution Advisory levels, affecting sensitive populations.
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AQAFFC The Georgia Department of Natural Resources, Environmental Protection Division has issued a Code Orange (Unhealthy for sensitive groups) Air Quality Alert for Atlanta for Wednesday August 19. Under Code Orange conditions, the outdoor air quality is likely to be unhealthy for some people. Children, people who are sensitive to ozone, and people with heart or lung disease should limit prolonge
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 Tuesday August 18 to 400 PM Wednesday August 19 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot and sunny weath
this outlet adds: thursday, moderate, expected, increasing, likelihood, respiratory, symptoms, breathing
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area Today and Thursday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an a
this outlet adds: 09am, through, friday
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued a PM-10 High Pollution Advisory for Pinal County Today and Thursday. An episode of strong and gusty winds is forecast to generate widespread blowing dust that may result in local PM-10 concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Coarse particulate matter - also known as
AQAMEG The Shelby County Health Department has issued a Code Orange Ozone Health Advisory effective for Shelby County Tennessee, Crittenden County Arkansas, and DeSoto County Mississippi, including the city of Memphis that will remain in effect until sunset. This ozone health advisory is due to monitored ozone values that are unhealthy for sensitive groups. These values have exceeded the Environme
The Miami-Dade County Department of Environmental Resources Management has issued an Air Quality Alert for Fine Particulates until 3 PM EDT this afternoon. Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information on the Air Quality Index, please visit http://airnow.gov.
AQAABQ The following message is transmitted at the request of the New Mexico Departments of Health and Environment. * WHAT...Unhealthy air quality levels due to wildfire smoke. * WHERE...Santa Fe Metro Area. * WHEN...through 6 PM Today. * IMPACTS...For sensitive groups, don't do any intense or lengthy physical activity. Move activities indoors or to a time when the air quality is better. For every
The following statement was issued by the Oklahoma Department of Environmental Quality from 10 AM to 10 PM CDT Friday. An Air Quality Alert for Ozone has been issued for Friday, August 21 for the Oklahoma City Metropolitan area due to expected high concentrations of ozone. Public Health Recommendations: Persons with existing heart or respiratory ailments should reduce physical exertion and outdoor
The Oklahoma Department of Environmental Quality has issued an Air Quality Alert for Ozone for Friday, for the Tulsa Metropolitan area. An ozone alert means that conditions are favorable for the buildup of ozone near the ground, to an unhealthy level. When winds are light, the vapors from fuels such as gasoline, exhaust from engines, and air pollutants from industrial activities remain trapped nea
AQAMEG The Shelby County Health Department has issued a Code Orange Ozone Forecast effective for Shelby County Tennessee, Crittenden County Arkansas, and DeSoto County Mississippi, including the city of Memphis for Friday. This ozone forecast is due to forecasted ozone values that will be unhealthy for sensitive groups. These values will exceed the Environmental Protection Agency's federal safe he
AQAFWD The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Dallas-Fort Worth area for Friday, August 21, 2026. Atmospheric conditions are expected to be favorable for producing high levels of ozone air pollution in the Dallas-Fort Worth area on Friday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to wor
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 Thursday August 20 to 400 PM Friday August 21 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, sunny, and stagn
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area through Sunday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air c