Friday,
August 7, 2015
Issued on August 7, 2015
Shasta-Trinity & Six Rivers Complexes
Chuck Sams, Erin Law and Dan
Chan
Forecast conditions
represent impacts from smoke.
Contributions from ozone and other pollutants are not reflected.
Smoke Synopsis: Friday morning update
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Most
stations in the area reached “Unhealthy” and “Unhealthy to Sensitive Groups”
level yesterday. Hayfork was in “Hazardous”
level. Good to excellent day-time
mixing is expected during the day for the next few days. Transport wind speed will gradually
increase from today through Monday.
However, the transport wind direction will shift from Northwesterly
today to Westerly tomorrow to Southerly flow on Sunday. Heavy smoke is still likely in river
drainages in Shasta-Trinity National Forest during the overnight periods
until inversion break the following morning.
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Air Quality Outlook: Shasta-Trinity & Six Rivers Complexes
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Site
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Friday
August 7, 2015
|
Saturday
August 8, 2015
|
Sunday
August 9, 2016
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Comments
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Anderson/Redding
|
USG
|
USG
|
Moderate
|
|
Crescent City
|
Moderate
|
Good
|
Good
|
|
Dinsmore
|
Very
Unhealthy
|
Hazardous
|
Very
Unhealthy-PM
|
|
Etna
|
USG
|
Unhealthy
|
USG-AM
|
|
Eureka
|
Moderate – AM
|
Good
|
Good -AM
|
Will
clear in the afternoon of Aug 7
|
Good – PM
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Gaberville
|
Moderate
|
Good
|
Good
|
|
Gasquet
|
USG
|
USG
|
USG
|
|
Happy Camp
|
USG
|
Unhealthy
|
USG
|
|
Hayfork
|
Unhealthy
|
Unhealthy
|
USG-AM
|
|
Hoopa
|
Unhealthy
|
USG
|
USG
|
|
Hyampom
|
Hazardous
|
Unhealthy
|
Hazardous
- AM
|
|
Mt. Shasta
|
USG
|
USG
|
USG-AM
|
|
Orleans
|
USG
|
USG
|
Moderate
|
|
Tulelake
|
Good
|
Moderate
|
Moderate
|
|
Weaverville
|
Very
Unhealthy
|
Unhealthy
|
USG
|
|
Weitchpec
|
Unhealthy
|
USG
|
Moderate
|
|
Willow Creek
|
Very Unhealthy
|
Very Unhealthy
|
USG
|
|
Yreka
|
Unhealthy
|
Unhealthy
|
Unhealthy - AM
|
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Disclaimer:
Forecast conditions represent air quality levels affected by fine
particulates; contribution from ozone and other pollutants is not reflected. 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
|
Good
|
None
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Moderate
|
Unusually sensitive people
should consider reducing prolonged or heavy outdoor exertion.
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Unhealthy for Sensitive
Groups - USG
|
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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Links:
Shasta County Air Pollution Control
District - http://www.co.shasta.ca.us/index/drm_index/aq_index.aspx
Siskiyou County Air Pollution Control
District http://www.co.siskiyou.ca.us/content/agriculture-air-pollution-control-district
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