Hot temperatures ranging from 98 to 102 degrees. * WHERE...Denver metro, western suburbs of Denver, and portions of the Urban Corridor including Boulder. * WHEN...From 11 AM to 8 PM MDT Saturday. * IMPACTS...Hot temperatures may cause heat illness.

ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM THURSDAY UNTIL 400 PM FRIDAY... The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Thursday August 06 to 400 PM Friday August 07 IMPACTS...Action Day for Multiple Pollutants is now in effect for the Front Range Urban Corridor. Ozone is expected to be in the Moderate to Unhealthy for Sensitive Groups range on Thursday and Friday. The highest concentrations of ozone are most likely in the southern and western portions of the Denver Metro area. Fine particulate concentrations are expected to be in the Moderate to Unhealthy for Sensitive Groups range on Thursday and Friday. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Friday, August 7, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.

ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM THURSDAY UNTIL 400 PM FRIDAY... The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Thursday August 06 to 400 PM Friday August 07 IMPACTS...Action Day for Multiple Pollutants is now in effect for the Front Range Urban Corridor. Ozone is expected to be in the Moderate to Unhealthy for Sensitive Groups range on Thursday and Friday. The highest concentrations of ozone are most likely in the southern and western portions of the Denver Metro area. Fine particulate concentrations are expected to be in the Moderate to Unhealthy for Sensitive Groups range on Thursday and Friday. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Friday, August 7, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.

ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM WEDNESDAY UNTIL 400 PM THURSDAY... The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday August 05 to 400 PM Thursday August 06 IMPACTS...Action Day for Multiple Pollutants is now in effect for the Front Range Urban Corridor. Ozone is expected to be in the Moderate to Unhealthy for Sensitive Groups range on Wednesday and Thursday. The highest concentrations of ozone are most likely in the southern and western portions of the Denver Metro area. Fine particulate concentrations are expected to be in the Moderate category on Wednesday, and in the Moderate to Unhealthy for Sensitive Groups range on Thursday. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Thursday, August 6, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone-pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms in sensitive individuals, aggravation of heart or lung disease and premature mortality in people with cardiopulmonary disease and older adults. People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM WEDNESDAY UNTIL 400 PM THURSDAY... The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday August 05 to 400 PM Thursday August 06 IMPACTS...Action Day for Multiple Pollutants is now in effect for the Front Range Urban Corridor. Ozone is expected to be in the Moderate to Unhealthy for Sensitive Groups range on Wednesday and Thursday. The highest concentrations of ozone are most likely in the southern and western portions of the Denver Metro area. Fine particulate concentrations are expected to be in the Moderate category on Wednesday, and in the Moderate to Unhealthy for Sensitive Groups range on Thursday. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Thursday, August 6, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone-pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms in sensitive individuals, aggravation of heart or lung disease and premature mortality in people with cardiopulmonary disease and older adults. People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM WEDNESDAY UNTIL 400 PM THURSDAY... The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday August 05 to 400 PM Thursday August 06 IMPACTS...Action Day for Multiple Pollutants is now in effect for the Front Range Urban Corridor. Ozone is expected to be in the Moderate to Unhealthy for Sensitive Groups range on Wednesday and Thursday. The highest concentrations of ozone are most likely in the southern and western portions of the Denver Metro area. Fine particulate concentrations are expected to be in the Moderate category on Wednesday, and in the Moderate to Unhealthy for Sensitive Groups range on Thursday. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Thursday, August 6, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone-pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms in sensitive individuals, aggravation of heart or lung disease and premature mortality in people with cardiopulmonary disease and older adults. People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.