Air Quality Report Issue
Date:09/10/2015
Rough Fire Prepared
by: Tod Johnson
Forecast conditions represent impacts
from smoke from the Rough Fire.
Contributions from ozone and other pollutants are not reflected.
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Fire: Fire activity increased yesterday with warmer
temperatures and lower relative humidity. Smoke produced was from the
continued burning of interior islands
and as a result of continued fire uphill fire spread in the Mill Creek and
Verplank creek drainages east of Grant Grove. The fire is 104629 acres and remains
at 31% contained.
Air Quality
Today: Heavy
concentrations of smoke are expected near the fire today. Smoke will be slow to lift and transport
will be primarily terrain and diurnally driven. Limited ventilation is
forecast for today with continued increased impacts expected in the San
Joaquin Valley west and southwest of fire. Residual smoke that has not
cleared the area will add to impacts from new smoke being produced. Unhealthy to Hazardous conditions are expected
in communities near the fire.
Air Quality Tomorrow: Impacts lower elevations
impacts are intensified by poor ventilation south of the incident. Air quality
in the Owens valley improves.
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Smoke Impacts from Local Fires
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Site
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Yesterday Observed
Midnight-Midnight
24-Hr AQI
September 9, 2015
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Today Forecast
24-Hr AQI
September 10, 2015
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Tomorrow
Outlook
24-Hr AQI
September 11, 2015
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Best Time of Day
September 10
AQI and Period
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Trimmer
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USG
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Hazardous
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Hazardous
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Morning to early afternoon
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Prather
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USG
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Unhealthy
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Unhealthy
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Morning to early afternoon
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Shaver
Lake
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Moderate
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USG
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Noon to late afternoon
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Oakhurst
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Moderate
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USG
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USG
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Evening to midnight
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Wishon
Reservoir
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USG
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USG
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Unhealthy
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Evening to midnight
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Hume
Lake
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Very Unhealthy
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Hazardous
|
Very Unhealthy
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Early afternoon
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Cedar
Grove
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No data
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Hazardous
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Hazardous
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Unhealthy
morming
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Grant
Grove
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Unhealthy
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Very Unhealthy
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Very Unhealthy
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Unhealthy, Midnight to Noon
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Dunlap/Squaw
Val.
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USG
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Very Unhealthy
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Morning to early afternoon
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Mammoth
Lakes
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Moderate
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USG
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Moderate
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Afternoon through evening
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Aspendell
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USG
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USG
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Good
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Afternoon through evening
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Bishop
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Moderate
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Good
|
Good
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Afternoon through evening
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Big
Pine
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Moderate
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Good
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Afternoon through evening
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Independence
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Moderate
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Good
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Afternoon through evening
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Pinehurst
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Unhealthy
|
Unhealthy
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Very Unhealthy
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USG morning to mid
afternoon
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Montecito-Sequoia
Lodge
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Unhealthy
|
Unhealthy
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Very Unhealthy
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USG morning to mid
afternoon
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Lodgepole
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Moderate
|
Moderate
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Very Unhealthy
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early morning to mid
afternoon
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Three
Rivers
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Moderate
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Moderate
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Very Unhealthy
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early morning to mid
afternoon
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Ash
Mountain
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Moderate
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Moderate
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Very Unhealthy
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early morning to mid
afternoon
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Kernville
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Moderate
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Good
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Good
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Good
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Disclaimer: Conditions
may change quickly, these projections are based on anticipated weather
and fire activity. Sensitive groups
including individuals with Asthma, lung or heart disease, children, older
adults, and pregnant women should take precautions to avoid exposure to
smoke. If you feel as though you are having health effects from smoke see
your doctor or health professional as needed. In some cases your eyes are your best
tools, if it is smoky outside you are being impacted. Use caution when
driving in or around smoky areas.
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AQI Index
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Actions
to Protect Yourself
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Good
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None
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Moderate
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Unusually sensitive people should
consider reducing prolonged or heavy outdoor exertion.
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Unhealthy for Sensitive Groups - USG
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People with heart or lung disease,
children and older adults should reduce prolonged or heavy outdoor exertion. Everyone else should limit prolonged or
heavy exertion.
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Unhealthy
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The following groups should avoid all
physical outdoor activity: People with heart or lung disease, children and
older adults. Everyone else should
avoid prolonged or heavy exertion.
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Very
Unhealthy
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Everyone
should avoid any outdoor exertion; people with respiratory or heart disease,
the elderly and children should remain indoors.
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Hazardous
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The following groups should remain
indoors and keep activity levels low: People with heart or lung disease;
children and older adults. Everyone else should avoid prolonged or heavy
exertion
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View of the fire:
Buck Rock Web Camera #3, http://rockyags.cr.usgs.gov/dashboards/WebCam.htm
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