Air Quality Report Issue Date: 09/20/2015
Rough Fire Prepared
by: Tod Johnson
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Forecast conditions represent impacts
from smoke from the Rough Fire wildfire.
Contributions from ozone and other pollutants are not reflected.
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Fire: Burnout operations yesterday increased fire
size by 108 acres bringing the current fire area total to 141,599acres. Burnout operations will continue today to
secure the West flank. Fire perimeter
containment is listed at 68%.
Air Quality
Today: Increased fire activity and
perimeter burn out operations will disperse light to moderate smoke into areas
directly South and South West of the fire as stable conditions hamper smoke
dispersal. The foothill communities west of Kings Canyon will experience
light to moderate smoke impacts as smoke moves West this afternoon into Monday morning. Stable air conditions will
limit relief from night time settling and pooling. Better mixing to occur following inversion
break around 1100. Some light impacts to Aspendell, Bishop and Big Pine
anticipated in the afternoon.
Air Quality Tomorrow: Smoke will linger through the morning hours
beneath the inversion. Ground impacts to recover following 1100 inversion
break and day time heating. Impacts continue to be light to moderate in the
foothills west of the fire. Heavier impacts to persist for the areas proximal
to King’s Canyon.
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Particulate Matter (PM 2.5) Impacts
from the Rough fire
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Site
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Yesterday Observed
Midnight-Midnight
24-Hr AQI
September 19, 2015
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Today’s Forecast
24-Hr AQI
September 20, 2015
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Tomorrow
Outlook
24-Hr AQI
September 21, 2015
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Best Time of Day
September 20
AQI and Period
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Trimmer
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Good
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Moderate
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Moderate
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No significant improvement
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Prather
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Good
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Good
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Good
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Best in the morning
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Shaver
Lake
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No monitor
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Good
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Good
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Good conditions today
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Oakhurst
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Good
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Good
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Good
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Good conditions today
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Wishon
Reservoir
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Good
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Good
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Good
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Good conditions today
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Hume
Lake
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USG
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USG
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USG
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No significant improvement
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Cedar
Grove
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Moderate
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USG
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Moderate
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No significant improvement
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Grant
Grove
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USG
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USG
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Moderate
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Best in the morning
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Dunlap/Squaw
Val.
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Moderate
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Moderate
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Moderate
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Best in the morning
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Mammoth
Lakes
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Good
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Good
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Good
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Good conditions today
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Aspendell
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Good
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Good
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Good
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Best conditions before late
afternoon
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Bishop
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Good
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Good
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Good
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Best conditions before late
afternoon
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Big
Pine
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No monitor
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Good
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Good
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Best conditions before late
afternoon
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Lone
Pine/Independence
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Good
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Good
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Good
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Good conditions today
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Pinehurst
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Moderate
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Moderate
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Moderate
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Best late morning to early
afternoon
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Montecito
Lodge
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USG
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USG
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Moderate
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Best in the morning
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Lodgepole
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Moderate
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Moderate
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Moderate
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Best in the morning
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Three
Rivers
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Moderate
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Moderate
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Moderate
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Best in the morning
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Ash
Mountain
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Good
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Moderate
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Moderate
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Best in the morning
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Kernville
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Good
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Good
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Good
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Good conditions today
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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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