Air
Quality Summary Report
Saturday, August 23, 2014
Prepared
by: Kelly Palmer, Ryan Bauer, and Ron Sherron
Yesterday A weak,
dry cold front moved through the area and brought slightly cooler daytime temperatures
to the area. More stable weather and light
winds existed most of the day and contributed to poor air quality, especially
in the Scott Valley and Yreka. Northeast winds in the evening helped clean
out smoke in Scott Valley last night. Fire activity on the Whites fire
created smoky conditions throughout the morning and afternoon for Sawyers
Bar.
Today Sunny with warmer
temperature and dry NE winds throughout most of the day and evening. The
potential for very active to extreme fire behavior exists today. Smoke impacts
to Klamath, Salmon, and Trinity River communities are likely, possibly
extending to coastal areas including Arcata and Eureka. Air quality should improve in the
communities of Yreka, Ft. Jones and Etna in comparison to yesterday. Nighttime conditions will again allow smoke
to settle into valley and canyon locations.
Tomorrow
Dry
conditions persist with easterly or northeasterly winds forecasted. Smoke impacts will be similar to today. The
Klamath Valley and coastal communities may receive another day of elevated
smoke impacts. Calm conditions at late night will allow smoke to settle into
valley locations.
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Site
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August 22
AQI
|
August 23
Today AQI
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August 24
AQI
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Highest Impacts Time of Day
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Yreka
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Unhealthy
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Moderate
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Good
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4am-10am
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Ft. Jones
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Unhealthy
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Moderate
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Moderate
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Midnight-4pm
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Etna
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Unhealthy
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USG
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Moderate
|
Midnight-7pm
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Klamath River
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USG
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Moderate
|
Moderate
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11am-Noon
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Happy Camp
|
Moderate
|
Moderate
|
Moderate
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9am
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Somes Bar
|
Good
|
USG
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USG
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Midnight
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Orleans
|
Good
|
USG
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USG
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4pm
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Weitchpec
|
Good
|
USG
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USG
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12pm – 3pm
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Hoopa
|
Good
|
USG
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USG
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12pm – 3pm
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Willow Creek
|
Good
|
USG
|
USG
|
Noon-3
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Mt. Shasta
|
Moderate
|
Moderate
|
Good
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Midnight-7pm
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Weed
|
Moderate
|
Good
|
Good
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11am-6pm
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Sawyers Bar
|
Unhealthy
|
Very
Unhealthy
|
Very
Unhealthy
|
6am-MIdday
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PLEASE NOTE: The air quality outlook is based on data
from automated instruments that have not been subjected to a quality
assurance review. AQI’s estimated for sites with air monitors.
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Air Quality Index
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Potential Health Impacts
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Actions to Reduce Smoke
Exposure
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Good
|
Air
quality is satisfactory and poses little or no health risk
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None
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Moderate
|
Air
quality is acceptable for most. There
may be moderate health concern for a very small number of individuals.
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Sensitive
individuals such as those with heart or lung disease, infants, children,
pregnant women, or older adults should limit time spend outdoors and avoid
strenuous outdoor activities.
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Unhealthy
for Sensitive Groups
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Members
of sensitive groups may experience health effects. The general public is not likely to be
affected.
|
Everyone
should avoid prolonged exposure to smoke.
Sensitive individuals such as those with heart or lung disease,
infants, children, pregnant women, or older adults should minimize exposure
by staying inside where air is cleaner.
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Unhealthy
|
Everyone
may begin to experience health effects.
These effects may be more serious for sensitive people.
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Everyone
should limit time spent outdoors and choose non-strenuous indoor
activities. Sensitive individuals such
as those with heart or lung disease, infants, children, pregnant women, or older
adults should stay indoors where air is clean.
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Very Unhealthy
|
Triggers a health alert meaning
everyone may experience more serious health effects
|
Everyone
should limit time spent outdoors and preferably stay indoors where air is
clean. Staying indoors is especially
important for sensitive individuals such as those with heart or lung disease,
infants, children, pregnant women, or older adults.
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Hazardous
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Triggers health warnings of emergency
conditions. Everyone is very likely to
be affected by serious health effects.
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Everyone should avoid all outdoor
activity. Relief from smoke is best
accomplished by leaving for cleaner air.
Alternately, remain indoors
where air is clean.
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