Sunny skies, hot temperatures, and light winds have triggered an OZONE ACTION DAY ALERT in several parts of Colorado.

Issued by The Colorado Department of Public Health and Environment and the Regional Air Quality Council, OZONE ACTION DAY ALERT will remain in effect until at least 4:00 p.m. on Friday, June 7, 2019 and includes the Front Range Urban Corridor, including Colorado Springs, Boulder, Denver, Fort Collins, and Greeley.

According to the alert, ozone concentrations are expected to reach the Unhealthy for Sensitive Groups category through Friday, June 7.

On Friday, the highest concentrations of ozone are expected to be present in southwestern parts of the Denver Metro area.

During the alert, residents are encouraged to limit outdoor activity until 6:00 p.m. this Friday, June 7. This is especially true for high-risk groups including children and older adults with asthma, heart disease, and other respiratory illnesses.

Alerts are forecasted using a number of factors including temperature, cloud cover, a build-up of emissions in the air, wind speed, and direction. Ozone alerts are more typically common on hot and humid days.

For more information, view the full report here.

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