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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 27 to 400 PM Friday August 28 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot and sunny weather with scattered afternoon storms may allow ozone to reach the Unhealthy for

AQAFWD The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Dallas-Fort Worth area for Friday, August 28, 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 work, avoiding drive-through lanes, conserving energy, and keeping your vehicle properly tuned.

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 health standard. The Shelby County Health Department recommends that

The following statement was issued by the Oklahoma Department of Environmental Quality. An Air Quality Alert for Ozone has been issued for Friday, August 28 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 activity. The general public is encouraged to help alleviate the problem by reducing vehicle miles traveled by riding the bus, carpooling, or

Oregon Department of Environmental Quality has issued an Air Quality Advisory until noon PDT Friday. For the Smoke Air Quality Advisory, wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung

The Washington State Department of Ecology has issued an Air Quality Alert until noon PDT Friday. An Air Quality Alert has been issued for Kittitas County through Friday August 28 at noon due to current and expected wildfire smoke from regional fires. Particulate matter (PM2.5) may reach Unhealthy to Sensitive Groups to Unhealthy levels for areas directly downwind from active fires, especially overnight and during the early morning hours. Be sure to check air monitors in your area before outdoor

AQAPSR The Arizona Department of Environmental Quality (ADEQ) has extended an Ozone High Pollution Advisory for the Phoenix Metro Area through Friday. 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 contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory

AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued a PM-10 High Pollution Advisory for Pinal County today. 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 PM-10 - is an air contaminant that can aggravate heart and lung disease conditions,

An Air Quality Action Day has been forecast for southwest Elko County for elevated particulate matter levels. These levels are anticipated to be Orange/unhealthy for sensitive groups, and an Air Quality Alert is in effect until 6PM PDT. Particulate matter levels are expected to be unhealthy for sensitive groups. For additional information, please visit the EPA AIRNOW web site at www.airnow.gov and click on Nevada. Please note: These data are preliminary and have not been validated.

An Air Quality Alert has been issued by the following agencies: Washington Department of Ecology An Air Quality Alert has been issued for Chelan, Douglas, and Okanogan Counties until further notice due to current and expected smoke from regional fires. Particulate matter (PM2.5) may reach Unhealthy levels for areas downwind from active wildfires. Be sure to check air monitors in your area before outdoor activities. When air quality is Unhealthy, everyone should reduce exposure.