Saturday, August 15, 2015

Saturday, August 15, 2015 - Shasta-Trinity/Six Rivers Complexes - Air Quality Report (Short)

Prepared by Chuck Sams and Dan Chan

Forecast conditions represent impacts from smoke.  Contributions from ozone and other pollutants are not reflected.
Smoke Synopsis:
On Friday, based on 24-hour averages, a number of PM Monitors reported “Good” or “Moderate” air quality in the area.  But, Mad River reported “USG” condition.  “Unhealthy” condition was reported at Anderson/Redding.  “Very Unhealthy” condition was reported at Hayfork, Hyampon, Burnt Ranch and Weaverville.  With a High pressure established over the area, air quality is not likely to improve in the next few days. 

Today:  Smoke dispersion will be limited due to slow transport wind over the area.  Northwesterly/Westerly onshore wind will flow to Trinity/Shasta County line today.  Tonight, weak offshore Northeasterly wind is expected tonight in Del Norte, Humboldt and Trinity County and Northerly wind is expected in Siskiyou and Shasta County.  Smoke will settle in Trinity River drainage, South Fork Trinity River drainage, Klamath River drainage and the Sacramento Valley tonight. 

Tomorrow:  Smoke dispersion will be limited due to slow transport wind over the area.  Northeasterly offshore wind is expected in Del Norte County.  Northerly wind is expected in Siskiyou County.  Onshore Westerly/Northwesterly wind is likely to occur in Humboldt and Trinity County.  Wind in Sacramento Valley is going to be weak.  Tomorrow night, offshore northeasterly wind in Del Norte County will continue, but Northerly wind is expected in Shasta County. Smoke will settle in Trinity River drainage, South Fork Trinity River drainage, Klamath River drainage and the Sacramento Valley again tomorrow night. 

Air Quality Outlook:  Shasta-Trinity & Six Rivers Complexes
Site
Saturday
August 15, 2015
Sunday
August 16, 2015
Monday
August 17, 2015
Comments
Crescent City
Moderate
USG
USG
Smoke impact from Oregon fires.
Gasquet
Moderate
USG
Moderate
Smoke impact from Oregon fires.
Happy Camp
Moderate
USG
USG
Smoke impact from Oregon fires.
Etna
Moderate
Moderate
Moderate
Smoke impact from Oregon fires.
Mt. Shasta
Moderate
Moderate
Moderate
Smoke impact from Oregon fires.
Tulelake
Moderate
Moderate
Moderate
Smoke impact from Oregon fires.
Yreka
Good
Unhealthy
Unhealthy
Smoke impact from Oregon fires.
Eureka
Good
Good
Moderate

Hoopa
Moderate
Moderate
Moderate

Mad River/Dinsmore
USG
USG
Unhealthy

Orleans
Moderate
Moderate
Moderate

Weitchpec
Moderate
Moderate
Moderate

Willow Creek
USG
USG
Moderate

Burnt Ranch
Unhealthy
Unhealthy
Unhealthy

Hayfork
Hazardous
Hazardous
Hazardous
8/15 & 8/16: Varying little throughout
Hyampom
Hazardous
Hazardous
Hazardous
8/15 & 8/16: Heaviest during afternoon
Weaverville
Unhealthy
Very Unhealthy
Hazardous

Anderson/Redding
Unhealthy
Unhealthy
Unhealthy

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.

AQI Index
Actions to Protect Yourself
Good
None
Moderate
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion.
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.
Unhealthy
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.
Very Unhealthy
Everyone should avoid any outdoor exertion; people with respiratory or heart disease, the elderly and children should remain indoors.
Hazardous
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

Links:
California Smoke Information Blog - http://californiasmokeinfo.blogspot.com/      
North Coast Unified Air Quality Management District http://www.ncuaqmd.org/
Shasta County Air Pollution Control District - http://www.co.shasta.ca.us/index/drm_index/aq_index.aspx
Wildfire Smoke – A Guide for Public Health Official from California Air Resource Board
Wildland Fire Personnel Smoke Exposure Guidebook from National Interagency Fire Center



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