Friday, August 26, 2016 #ChimneyFire Smoke Report

Air Quality Report                                                                                              Issue Date: 08/26/2016

Chimney Fire                                                                                               Prepared by: Ariane Sarzotti

Chimney Fire (San Luis Obispo County)

• Official acreage reported at 45,008 at 47% containment with a growth of over 1,345 acres in 24 hours. 
• Last night’s IR shows lots of scattered heat throughout the fire, the north-northwestern portion of the fire has intense heat signature. An image of the IR map is included below. 
• Yesterday, fire behavior was active with winds driving the fire into the southwest and gusts up to 20 mph. Temperatures were in the mid 90’s.
• Overnight, the fire behavior remained active, but cooler temperatures and higher relative humidity helped firefighters increase containment lines throughout the night.
• Today, anticipated onshore low-level flow will strengthen, with a deeper marine layer, leading to lower temperatures. 

Chimney Fire
Monitoring Summary (based on Air Quality Index (AQI) for each 24-hr day)
Site	Yesterday’s 24 hour AQI	Notes about today
Paso Robles	Good	Typically smokiest from 12pm-4pm
Lockwood	Moderate	Typically smokiest form 9pm-4pm
Heritage Ranch (Lake Nacimiento Area)	Moderate	Typically  smokiest from 2pm – 6pm
San Miguel	Good	Typically smokiest from noon to 4pm
Cambria	Good	Typically smokiest from 9am- 3pm
Atascadero	Good	Typically smokiest from 9am-3pm
San Luis Obispo	Good	Typically smokiest from 10am – 1pm during the day, and some smoke overnight

Colors displayed above correspond roughly with the AQI chart below.  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