Analysing the effects of the 2002 McNally fire on air quality in the San Joaquin Valley and southern Sierra Nevada, California

Ricardo Cisneros, Donald Schweizer, Sharon Zhong, Katharine Hammond, Miguel A. Perez, Qinghua Guo, Samuel Traina, Andrzej Bytnerowicz, Deborah H Bennett

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Smoke from wildfires can expose individuals and populations to elevated levels of particulate matter (PM) and ozone (O3). Between 21 July and 26 August 2002, the McNally Fire burned over 150000 acres (61000ha). The fire occurred in the Sequoia National Forest, in the southern Sierra Nevada of California. This study evaluated the effects of the McNally Fire on air quality, specifically particles 10m in diameter (PM10) and O3. Downwind of the fire on the eastern side of the Sierra Nevada, 24-h concentrations of PM10 more than doubled. The PM10 federal standard was exceeded four times during the fire. Violations of the California PM10 standard increased drastically during the fire. The California PM10 standard was violated six times before the fire and 164 times during the fire. Most of the PM10 exceedances occurred at the Kernville Work Center and sites east of the fire. Compared with the other sites, the highest 2-week average O3 concentrations occurred in the eastern part of the Sierra Nevada and north of the fire, where O3 increased by a factor of two at two locations. Journal compilation

Original languageEnglish (US)
Pages (from-to)1065-1075
Number of pages11
JournalInternational Journal of Wildland Fire
Volume21
Issue number8
DOIs
StatePublished - 2012

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air quality
valleys
valley
Sequoia National Forest
Sierra Nevada (California)
effect
smoke
wildfires
wildfire
ozone
particulate matter
particulates

Keywords

  • ozone
  • particulate matter
  • smoke

ASJC Scopus subject areas

  • Forestry
  • Ecology

Cite this

Analysing the effects of the 2002 McNally fire on air quality in the San Joaquin Valley and southern Sierra Nevada, California. / Cisneros, Ricardo; Schweizer, Donald; Zhong, Sharon; Hammond, Katharine; Perez, Miguel A.; Guo, Qinghua; Traina, Samuel; Bytnerowicz, Andrzej; Bennett, Deborah H.

In: International Journal of Wildland Fire, Vol. 21, No. 8, 2012, p. 1065-1075.

Research output: Contribution to journalArticle

Cisneros, Ricardo ; Schweizer, Donald ; Zhong, Sharon ; Hammond, Katharine ; Perez, Miguel A. ; Guo, Qinghua ; Traina, Samuel ; Bytnerowicz, Andrzej ; Bennett, Deborah H. / Analysing the effects of the 2002 McNally fire on air quality in the San Joaquin Valley and southern Sierra Nevada, California. In: International Journal of Wildland Fire. 2012 ; Vol. 21, No. 8. pp. 1065-1075.
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