Air Quality Summary Report - Chelan Lake &
Methow Valley Fires Tuesday, August 18, 2015
Prepared by:
Andrea Holland, Incident Air Resource Advisor
(andreahollandsears@gmail.com)
Tuesday: Some clearing of smoke
in Chelan, Manson and the Methow Valley will occur through the morning with
lifting of the inversion. Smoke from
the afternoon’s increased fire activity will return by late afternoon and
remain throughout the night in these communities. Smoke will clear in the Wenatchee and
Leavenworth areas drifting back in overnight from afternoon fire activity.
Wednesday: Smoke will linger in valley
bottoms through morning. Smoke will clear with a lift in the inversion in Chelan
and Manson by midafternoon but may also result in greater fire activity and
smoke development by late afternoon/early evening returning these areas to
unhealthy conditions. The Methow
Valley will gradual improvement in air quality throughout the day as winds
clear smoke from the area.
Thursday: Gusty northwest winds will favor smoke clearing from affected
communities near the fires.
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Site
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August 18
Air quality -Today
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August 19
Air Quality - Wed
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August 20
Air Quality - Thurs
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Comments
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Chelan
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USG
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USG
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Good
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Some clearing of smoke in
morning. Heavier smoke will return early evening.
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Unhealthy
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Unhealthy
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Manson
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USG
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Unhealthy
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Good
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Some clearing of smoke in
morning. Heavier smoke will return early evening.
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Unhealthy
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Methow Valley
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Good
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USG
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Good
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Greater wind activity in late
evening/overnight should improve air quality in this area.
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Unhealthy
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Wenatchee
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Good
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Moderate
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Good
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Most of Tuesday should see good
air quality
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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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