* WHAT. Heat index values up to 99 expected. * WHERE. El Paso, Pueblo, Crowley, Otero, Bent, Prowers, and Canon City Vicinity/Eastern Fremont County. * WHEN. From noon today to 7 PM MDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

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 12 to 400 PM Thursday June 13 IMPACTS. Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Request to limit driving gas and diesel- powered vehicles is now in effect until at least 4 p.m. Thursday, June 13, 2024. Although ozone is expected to remain in the Moderate category on Wednesday due to gusty westerly winds developing, higher ozone is anticipated for Thursday. The highest ozone concentrations on Thursday are most likely for southwestern parts of the Denver metro area, northward along the foothills to around Golden. For areas included in this advisory that are not expected to reach the Unhealthy for Sensitive Groups (USG) air quality designation, we request that activities, such as driving non-ZEV vehicles (i.e., gas or diesel), be reduced to lessen the impacts on neighboring air quality. Additional air pollution in this region may directly worsen air quality or contribute to precursors which may also adversely affect air quality. For Colorado air quality conditions, forecasts and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx 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.