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Air quality in Marshall fire burn area similar to areas not affected by wildfire, study finds

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A recent study completed at the Marshall fire burn site found that air quality in the area is similar to other urban areas that have not been affected by wildfires.

A preliminary analysis of outdoor air measurements was conducted by the National Oceanic and Atmospheric Administration in areas affected by the Marshall fire. The study found that levels of volatile organic compounds, or VOCs, are comparable to ordinary urban air pollution, according to a news release from Boulder County Public Health.

NOAA’s Chemical Sciences Laboratory sampled outdoor air in Louisville, Superior and affected areas of unincorporated Boulder County with its mobile van 11 to 14 days after the Dec. 20 wildfire.

Smoke from urban fires that burn vehicles, homes and other modern structures can produce unhealthy gasses as a result of the combustion of materials, some of which include synthetic or manufactured building materials, furniture, rubber and automotive components, according to the news release.

NOAA is not planning additional outdoor air sampling for VOCs, the release said. The public health department will conduct future measurements and issue warnings if air quality changes.

While health officials expect VOC levels to decrease in the coming weeks, air pollution may remain a concern for several months. Snow and moisture are keeping potentially harmful particulates on the ground and out of the air. As weather changes and temperatures rise, the affected areas will dry out and, when wind speeds increase, air quality can fluctuate, according to the release.



A recent study completed at the Marshall fire burn site found that air quality in the area is similar to other urban areas that have not been affected by wildfires.

A preliminary analysis of outdoor air measurements was conducted by the National Oceanic and Atmospheric Administration in areas affected by the Marshall fire. The study found that levels of volatile organic compounds, or VOCs, are comparable to ordinary urban air pollution, according to a news release from Boulder County Public Health.

NOAA’s Chemical Sciences Laboratory sampled outdoor air in Louisville, Superior and affected areas of unincorporated Boulder County with its mobile van 11 to 14 days after the Dec. 20 wildfire.

Smoke from urban fires that burn vehicles, homes and other modern structures can produce unhealthy gasses as a result of the combustion of materials, some of which include synthetic or manufactured building materials, furniture, rubber and automotive components, according to the news release.

NOAA is not planning additional outdoor air sampling for VOCs, the release said. The public health department will conduct future measurements and issue warnings if air quality changes.

While health officials expect VOC levels to decrease in the coming weeks, air pollution may remain a concern for several months. Snow and moisture are keeping potentially harmful particulates on the ground and out of the air. As weather changes and temperatures rise, the affected areas will dry out and, when wind speeds increase, air quality can fluctuate, according to the release.

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