Jefferson County, CO
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Thursday 06/11 10:10 AM MDT – Thursday 06/11 4:00 PM MDT
Issued by NWS Denver CO
The Colorado Department of Public Health and Environment has issued the following...
WHAT...Air Quality Health Advisory for Ozone.
WHERE...Boulder, Jefferson, Denver, southern parts of Weld, and western parts of Douglas, Arapahoe, and Adams Counties. Locations include, but are not limited to Boulder, Golden, Denver, Castle Rock, Littleton, and Brighton.
WHEN...1000 AM Thursday June 11 to 400 PM Thursday June 11
IMPACTS...An intrusion of ozone from high up in the atmosphere to the surface is expected through at least Thursday afternoon. Because this is an off-cycle event, this advisory will be replaced by a regulatory Ozone Action Day Alert at 4pm, if necessary.
HEALTH INFORMATION...Public Health Recommendations: 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.
Areas Impacted
- Arapahoe, CO
- Boulder, CO
- Weld, CO
- Douglas, CO
- Adams, CO
- Jefferson, CO
- Denver, CO
Tips to Stay Safe
When an Air Quality Alert is active for your location:
- Check the air quality levels in your area at airnow.gov.
- Limit your time outdoors, especially if you are at higher risk. This includes seniors, children, or those with asthma or other health conditions.
Briefings
From the Forecaster
Today's Outlook
Created by the NWS Denver/Boulder WFO
Today will be a cooler, but sunny day. Winds will be breezy at times across the area. Warmer temperatures will return tomorrow with highs for the plains near 90 degrees.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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