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| Air Quality Health Advisory for Wildfire Smoke for La Plata and northeastern Montezuma Counties, including Durango. Click here for details. |
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The Colorado Department of Public Health and Environment and the Regional Air Quality Council have issued an OZONE ACTION DAY ALERT at 4 p.m. on Wednesday, June 27, 2018 for the Front Range Urban Corridor from El Paso County north to Larimer and Weld counties, including the Denver-Boulder area, Colorado Springs, Fort Collins and Greeley.
High temperatures and light winds will allow ozone to reach the Unhealthy for Sensitive Groups level on Wednesday in the suburbs of the Denver Metro Area and Ft. Collins. Ozone is expected to be Good to Moderate on Thursday.
This Ozone Action Day Alert will remain in effect until midnight, Wednesday night, June 27, 2018.
For statewide conditions, forecasts and advisories, visit:
https://www.colorado.gov/airquality/colorado_summary.aspx
The highest Ozone related AQI at 5 o'clock PM Mountain Standard Time on June 27, 2018, is 108 which indicates Unhealthy for Sensitive Groups ozone air quality. It was recorded by the FTCW ambient ozone monitor. 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.
The highest Particulate Matter (PM2.5) related AQI at 5 o'clock PM Mountain Standard Time on June 27, 2018, is 43 which indicates Good Particulate Matter (PM2.5) air quality. It was recorded by the CHAT ambient monitor.
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| FRONT RANGE AIR QUALITY FORECAST: Wednesday, June 27, 2018, 2:30 PM MDT Ozone concentrations are expected to be in the Moderate to Unhealthy Sensitive Groups on Wednesday, Good to Moderate on Thursday. Unhealthy for Sensitive Groups concentrations are possibly on Wednesday in the suburbs of the Denver Metro Area and Ft. Collins. Moderate concentrations of ozone are anticipated throughout the Colorado Front Range region, including the Denver Metro, Ft. Collins, Greeley, and Colorado Springs areas on Wednesday and Thursday. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion from noon until 10 PM on Wednesday. Fine Particulate Matter concentrations are expected to be in the Good category on Wednesday and Thursday. Carbon Monoxide concentrations are expected to be in the Good category on Wednesday and Thursday. Nitrogen Dioxide concentrations are expected to be in the Good category on Wednesday and Thursday. Visibility on Thursday is expected to be Good to Moderate. Air Quality Health Advisory for Wildfire Smoke Issued for portions of southwestern Colorado Issued at 8:30 AM MDT, Wednesday, June 27, 2018 Issued by the Colorado Department of Public Health and Environment Affected Area: portions of southwestern Colorado, including La Plata and northeastern Montezuma Counties. Locations include, but are not limited to, Durango, Rockwood, Honeyville, Hermosa and the Southern Ute Reservation. Advisory in Effect: 8:30 AM MDT, Wednesday, June 27, 2018 to 9:00 AM MDT, Thursday, June 28, 2018. Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and the elderly. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy. Outlook: Areas of heavy smoke have been observed throughout large parts of La Plata County Wednesday morning, particularly along the Animas River from the 416 Fire southward to the New Mexico state line. This will impact locations including Hermosa, Durango and the Southern Ute Reservation. The smoke will gradually decrease Wednesday morning as atmospheric mixing increases. Fire activity is likely to increase on Wednesday afternoon, and smoke will initially move in easterly to northeasterly direction. This will bring periods of moderate to heavy smoke to Hermosa, Honeyville, and rural parts of eastern La Plata County. Additionally, there may be an increase in smoke to the northeast of the fire, towards Silverton. Late Wednesday night the winds will calm, and smoke will again drain southward along the Animas River and produce moderate to heavy smoke Thursday morning in areas such as Hermosa, Durango and points southward through the New Mexico state line. Rural parts of northeastern Montezuma County will also be periodically impacted by moderate to heavy smoke from the Burro Fire, particularly during the morning hours on Wednesday and Thursday. The 20,357 acre Badger Creek wildfire is located in Albany County, Wyoming, just north of the Colorado State Line, approximately 38 miles southwest of Laramie. Winds on Wednesday will be out of the southwest. This will likely transport smoke to the northeast affecting rural parts of Albany County and possibly locations as far south as the Colorado State line. No public health impacts are expected. Overnight, smoke may drain to lower lying areas and bring light to moderate smoke concentrations to locations immediately below the fire. What if there is a wildfire or smoke in your area? The focus of the Colorado Smoke Outlook is on large fires (e.g., greater than 100 acres in size). Nevertheless, smoke from smaller fires, prescribed fires, and/or smoke from new fires not yet known to CDPHE air quality meteorologists may cause locally heavy smoke. If there is smoke in your neighborhood, see the public health recommendations below. Public health recommendations for areas affected by smoke: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and the elderly. Fine particulates may reach the Unhealthy category where smoke is heavy. Consider limiting outdoor activity when moderate to heavy smoke is present. People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion; everyone else should reduce prolonged or heavy exertion. Consider relocating temporarily if smoke is present indoors and is making you ill. IF VISIBILITY IS LESS THAN 5 MILES IN SMOKE IN YOUR NEIGHBORHOOD, SMOKE HAS REACHED LEVELS THAT ARE UNHEALTHY. |
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Ground-level ozone is an air pollution problem that impacts the health of all Coloradans. Exposure can cause acute respiratory problems and trigger asthma attacks. During Ozone Action Alerts, avoid rigorous outdoor activity during the heat of the day. Prolonged exposure can cause long-lasting damage to your lungs.
You CAN make a difference by doing your part to improve air quality along Denver’s Front Range. Combining or skipping just two car trips a week has a positive impact on our air quality. Find other easy solutions that fit your lifestyle from Simple Steps. Better Air. (http://www.SimpleStepsBetterAir.org), a program of the Regional Air Quality Council.
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WHAT IS AN ACTION DAY?: An Action Day for fine particulate matter, carbon monoxide, ozone or other pollutants indicates that either current air quality is unhealthy or conditions are expected to worsen later in the day or on the next day. Action Days for air pollutants generally indicate that air quality will be in either the Unhealthy or Unhealthy-for-Sensitive-Groups categories according to the Air Quality Index. Action Days always convey overarching public health recommendations, and, according to season, trigger a variety of mandatory and voluntary pollution prevention measures. For example, during the summer open burning is prohibited when an Action Day for ozone and/or fine particulates is in effect. During the winter, residential burning restrictions are in effect when an Action Day for Visibility is in effect.
For a detailed description of both the AIR QUALITY INDEX and the VISIBILITY STANDARD INDEX please visit https://www.colorado.gov/airquality/brochure.aspx
COLORADO OPEN BURN FORECAST: For those with permits for open burning, that is the burning of waste materials or vegetation outside, check the following webpage to find out if open burning is allowed today. Keep in mind that open burning is prohibited when an Action Day is in effect:
https://www.colorado.gov/airquality/burn_forecast.aspx
FOR CURRENT FRONT RANGE ACTION DAYS/ADVISORIES:
https://www.colorado.gov/airquality/advisory.aspx
FOR CURRENT AIR QUALITY CONDITIONS STATEWIDE:
https://www.colorado.gov/airquality/air_quality.aspx
SOCIAL MEDIA:
https://www.facebook.com/cdphe.apcd
https://twitter.com/cdpheapcd
AIR QUALITY NOTIFICATIONS:
https://www.colorado.gov/airquality/request_alerts.aspx(CDPHE automated e-mail alerts)
http://www.enviroflash.info/signup.cfm(CDPHE forecasts via automated e-mails from the EPA)
Forecasts & Monitoring
