Front Range — Action Day for Particulates
The Colorado Department of Public Health and Environment has issued an ACTION DAY ALERT at 4PM on Tuesday, September 5, 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.
Smoke will continue to be transported from fires in the northwestern US and western Canada into Colorado. The heaviest smoke impacts on Tuesday and Wednesday are expected to be in the Front Range region, including Ft. Collins, Greeley, and the Denver Metro Area, and will lead to particulate levels in the Moderate to Unhealthy for Sensitive Groups range.
This Action Day Alert will remain in effect until at least 4 PM Wednesday, September 6, 2017.
For statewide conditions, forecasts and advisories, visit:
At 2PM (MST), Tuesday, 9/5/2017 the highest AQI value was 118 for Particulate FRONT RANGE AIR QUALITY FORECAST:
Tuesday, September 5, 2017, 2:20 PM MDT
Ozone concentrations are expected to be in Good category on Tuesday, and the Good to Moderate range on Wednesday. Please refer to Fine Particulate Matter below for health recommendations on Tuesday and Wednesday.
Fine Particulate Matter concentrations are expected to be in the Moderate to Unhealthy for Sensitive Groups range on Tuesday and Wednesday. People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion 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.
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