California Smoke Information: Saturday, August 8, 2015 - Shasta-Trinity & Six Rivers Complexes

Saturday, August 8, 2015

Air Quality Outlook: Shasta-Trinity & Six Rivers Complexes

Prepared by 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
Monitoring stations in the area are at or above “Unhealthy to Sensitive Groups” level yesterday. Hayfork was in “Hazardous” level. Weaverville was in “Very Unhealthy” level yesterday. Good day-time mixing is expected during the day for the next few days. Transport wind speed will gradually increase from today through Monday. Transport wind direction will be Westerly/Southwesterly for today and tomorrow. Heavy smoke is still likely in river drainages in Shasta-Trinity National Forest during the overnight periods until inversion break the following morning. Air quality at Hayfork, Hyampon, Mad River/Dinsmore, and Weaverville are likely to be very poor in the night time periods.

Air Quality Outlook: Shasta-Trinity & Six Rivers Complexes
Site	Saturday August 8, 2015		Sunday August 9, 2015	Monday August 10, 2016	Comments
Crescent City	Moderate		Good	Good
Gasquet	USG		Moderate	Moderate
Happy Camp	Unhealthy		USG	USG
Etna	USG		USG	USG – AM	8/8 and 8/9: heaviest around sundown.
Mt. Shasta	USG		USG	USG - AM	8/8 and 8/9: heaviest around late afternoon sundown
Tulelake	USG		Unhealthy	Unhealthy – AM	8/8 Heaviest around sundown. 8/9 Heaviest around sunrise
Yreka	USG		Unhealthy	Hazardous – AM	8/8 Heaviest around sundown. 8/9 Heaviest around sunrise. May receive drift smoke from Oregon.
Eureka	Good		Good	Good
Hoopa	Unhealthy		USG	USG
Mad River/Dinsmore	Hazardous		Very Unhealthy	Very Unhealthy
Orleans	USG		Moderate	Moderate
Weitchpec	USG		Unhealthy	Unhealthy - AM
Willow Creek	Very Unhealthy		Very Unhealthy	Unhealthy
Hayfork	Hazardous		Hazardous	Hazardous - AM	8/8 and 8/9 Heaviest impacts during late afternoon.
Hyampom	Hazardous		Hazardous	Hazardous- AM	8/8 and 8/9 Heaviest impacts during late afternoon
Weaverville	Hazardous		Hazardous	USG - AM	8/8 and 8/9 Heaviest impacts during late afternoon
Anderson/Redding	USG		USG	USG
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