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 Tuesday, August 29, 2017 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.
Light winds, hot temperatures and abundant sunshine will allow ozone to reach significant concentrations on Tuesday and Wednesday.
This Ozone Action Day Alert will remain in effect until at least 4 p.m. Wednesday, August 30, 2017.
For statewide conditions, forecasts and advisories, visit:
http://www.colorado.gov/airquality/colorado_summary.aspx
The highest Ozone related AQI at 1 o’clock PM Mountain Standard Time on August 29, 2017, is 64 which indicates Moderate ozone air quality. It was recorded by the RFN ambient ozone monitor. Unusually sensitive individuals may experience respiratory symptoms. Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion.
The highest Particulate Matter (PM2.5) related AQI at 1 o’clock PM Mountain Standard Time on August 29, 2017, is 62 which indicates Moderate Particulate Matter (PM2.5) air quality. It was recorded by the FTCF ambient monitor. Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults. Unusually sensitive people should consider reducing prolonged or heavy exertion.
Front Range Air Quality Forecast & Colorado Smoke Outlook
FRONT RANGE AIR QUALITY FORECAST:
Tuesday, August 29, 2017, 2:30 PM MDT
Ozone concentrations are expected to be in the Moderate to Unhealthy for Sensitive Groups range on Tuesday and Wednesday. Ozone concentrations in the Unhealthy for Sensitive Groups category are most likely for the south and west suburbs of Denver northward along and near the foothills to Fort Collins and Greeley. In these areas, active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion on Tuesday from noon until 8 PM. Moderate concentrations of ozone are expected elsewhere throughout the Colorado Front Range on Tuesday and Wednesday.
Fine Particulate Matter concentrations are expected to be in the Good to Moderate range on Tuesday and Wednesday. Unusually sensitive people should consider reducing prolonged or heavy exertion throughout the Front Range region on Tuesday and Wednesday.
Carbon Monoxide concentrations are expected to be in the Good category on Tuesday and Wednesday.
Nitrogen Dioxide concentrations are expected to be in the Good category on Tuesday and Wednesday.
Visibility on Wednesday is expected to be Moderate to Poor.
COLORADO SMOKE OUTLOOK:
Tuesday, August 29, 2017, 2:30 PM MDT
Areas of haze are likely on Tuesday across Colorado due to smoke being transported from wildfires in the northwestern United States. No major health impacts are anticipated, however unusually sensitive people should consider reducing prolonged or heavy exertion on Tuesday.