Ozone pollution alert active for Central Colorado until early Sunday

Published Jun 21, 2025

At 4:11 p.m. on Saturday, the National Weather Service reported an air quality alert in effect until Sunday at midnight for Central Colorado.

The NWS adds to be ready for, “Ozone Action Day Alert.”

The full list of affected locations includes:

• Arapahoe County

• Adams County

• Broomfield County

• Boulder County

• Larimer County

• Weld County

• Jefferson County

• Douglas County

• Denver County

Air quality alerts: Recommendations from the NWS

When an air quality alert pops up on the radar, deciphering its implications is crucial. These alerts, issued by the NWS, come with straightforward yet essential guidance to ensure your safety:

Prioritize indoor stay:

If possible, remain indoors, especially if you have respiratory issues, other health concerns, or fall within the senior or child demographics.

Trim outdoor activities:

When venturing outside is unavoidable, restrict your time outdoors solely to essential activities. Reducing exposure is paramount.

Tackle pollution sources:

Be mindful of activities that increase pollution, like driving cars, operating gas-powered lawnmowers, or using motorized vehicles. Limit their usage during air quality alerts.

Banish open burning:

Refrain from kindling fires with debris or any other materials during an air quality alert. Such practices only contribute to heightened air pollution.

Stay informed:

Keep yourself well-informed by tuning in to NOAA Weather Radio or your preferred weather news outlet. Staying in the loop empowers you to make informed decisions regarding outdoor engagements during air quality alerts.

Respiratory health matters:

If you grapple with respiratory issues or underlying health problems, exercise added caution. These conditions can render you more susceptible to the adverse effects of compromised air quality.

By adhering to the advice from the NWS, you can enhance your safety during air quality alerts while reducing your exposure to potentially harmful pollutants. Stay aware, stay protected, and make your health a top priority.

Source: The National Weather Service