Air Quality Summary Report - Chelan and Methow Valley Fires Saturday, August 22, 2015
Prepared
by: Carolyn Kelly, Air Resource Advisor trainee (ckelly8384@gmail.com)
Andrea
Holland, Air Resource Advisor (andreahollandsears@gmail.com)
Note:
The Manson monitoring site has been inoperative for the last week caused by a
malfunction in the instrument. Please
refer to information provided from the Chelan monitor for estimating impacts
to Manson.
Saturday: Inversions
will keep smoke concentrations high in the valleys before lifting late
morning. A stable upper air mass will
prevent widespread clearing of the smoke and communities nearest and downwind
of the fires will experience persistent smoke throughout the day. Chelan will see particularly heavy smoke in
the morning and towards late afternoon and into the evening. Manson could see greater smoke impacts than
Chelan. Twisp and Winthrop will see
smoke impacts from both the Chelan Complex and Okanogan Complex fires. As winds shift to the East, Leavenworth and
Wenatchee may see some decrease in air quality.
Sunday: Chelan
and Manson can both expect to see varying levels of smoke throughout the day
with potentially hazardous levels in the evening. Winthrop may have some
times of clearing very early in the morning but can expect to see smoke
continuing to roll in throughout the day.
Smoke will remain in Twisp throughout the day, becoming worse through late
afternoon with air quality reaching hazardous levels for a few hours late
evening.
Monday: Leavenworth and Wenatchee should see some relief
from the smoke clearing out late on Sunday and into Monday. Smoke will remain
persistent for Chelan, Winthrop, and Twisp areas but may clear out later in
the day and into the evening.
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Site
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August 22
Air quality -Today
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August 23
Air Quality - Sun
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August 24
Air Quality - Mon
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Comments
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Chelan
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Unhealthy
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Unhealthy
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Unhealthy
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Today
Manson area may see heavier smoke concentrations in the evening.
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Winthrop
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Unhealthy
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Unhealthy
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Unhealthy
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Twisp
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Unhealthy
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Unhealthy
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Unhealthy
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Today,
periods of very heavy smoke towards the evening.
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Leavenworth
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Moderate
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Moderate
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Good
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Wenatchee
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Moderate
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Moderate
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Good
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Disclaimer:
Conditions may change quickly. These predictions are based on anticipated
weather and fire activity. 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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Index Levels of Health
Concern
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Actions Recommended by WA
Department of Ecology to Reduce Smoke Exposure
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Good
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None
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Moderate
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People with asthma, respiratory
infection, diabetes, lung or heart disease, or have had a stroke should limit
outdoor activities or do activities that take less effort, such as walking
instead of running.
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Unhealthy for Sensitive Groups
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Sensitive groups include people with
heart or lung disease, asthma, diabetes, infants, children, adults older than
65, pregnant women, or who have had a stroke.
These people should limit time spent outdoors.
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Unhealthy
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Everyone
should limit time spent outdoors. Everyone should avoid exercising outdoors
(including sports teams) and choose non-strenuous indoor activities. People
with asthma, respiratory infection, diabetes, lung or heart disease, or have
had a stroke should stay indoors. Infants, children, pregnant women and
adults over age 65 should also stay indoors.
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Very Unhealthy
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Everyone
should stay indoors, do only light activities, and keep windows closed if it
is not too hot. Run air conditioners on re-circulate and close the outside
air intake. Use indoor air cleaners with HEPA filters, if available. If you
must be outdoors, wear an N-95 respirator mask. People with chronic diseases
should check with their health care provider before wearing a mask.
Check
with your local health department for health information. People with asthma,
lung and heart disease, or have had a stroke should check with their health
care provider for advice about leaving the area. Anyone with shortness of
breath, wheezing, chest pain, heart palpitations, extreme fatigue, or
difficulty moving or speaking should call their health care provider or call
911.
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Hazardous
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Everyone
should stay indoors, do only light activities, and keep windows closed if it
is not too hot. Run air conditioners on re-circulate and close the outside
air intake. Use indoor air cleaners with HEPA filters, if available. If you
must be outdoors, wear an N-95 respirator mask. People with chronic diseases
should check with their health care provider before wearing a mask.
Check
with your local health department for health information. People with asthma,
lung and heart disease, or have had a stroke should check with their health
care provider for advice about leaving the area. Anyone with shortness of
breath, wheezing, chest pain, heart palpitations, extreme fatigue, or
difficulty moving or speaking should call their health care provider or call
911.
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