Air Quality Summary Report-Pioneer Fire August 26, 2016

Air Quality Summary Report - Pioneer Fire     For: Friday, August 26, 2016 

Air Resource Advisor: Tod Johnson (tod_johnson@nps.gov), ARA (T) Karen Dillman (kdillman@fs.fed.us)

FIRE, WEATHER AND SMOKE SYNOPSIS Weather: Mostly sunny and warmer today. Temperatures in the 70’s on the ridges, and 80’s in the valleys. Relative humidity low to mid- teens in the valleys and 19 to 24 on the ridges. Transport winds NW 8 to 12 mph. On the ridges expect 6-9 mph with gusts to 14, and valleys becoming up-canyon 3-5 mph with gusts 10 mph after 1300. Inversion break expected between 12 and 1 pm. Dry SW winds are expected for the weekend. Fire Activity: Active fire northeast of Pioneerville and north of highway 17 in Deadwood Canyon. NW winds could provide spotting conditions in the O’Keefe creek drainage. Smoke Summary:  Smoke will concentrate in the low valleys this morning but will scour out in the afternoon when valley alignment and NW winds prevail. Today, the most significant smoke impacts will be to Lowman but Moderate conditions in Fairfield, Garden Valley, and Ketchum.    We will continue to experience smoke impacts from fires burning to the north and west of our forecast area.
Air Quality Outlook  (smoke related)
Sites with air quality monitors (based on concentration PM 2.5 ug/m3 24-hr avg.)
Site	Yesterday		Today		Tomorrow		Comments for Today (8/26/16)
Centerville	USG		Good		Good		Good throughout the day
Fairfield	Good		Moderate		Good		Morning hours clear with increasing smoke in afternoon
Garden City	Good		Good		Good		Hazy in morning but clearing in the afternoon
Garden Valley  School & ICP/Helibase	Moderate		Moderate		Moderate		Conditions improve after inversion break around 1 pm.
Idaho City	Good		Good		Good		Good throughout the day
Ketchum	Moderate		Moderate		Good		Late afternoon smoke but clearing in evening
Meridian	Good		Good		Good		Mostly clear throughout the day
Nampa	Moderate		Good		Good		Mostly clear throughout the day
Lowman	Moderate		USG		Moderate		Improving in the evening hours
Stanley	Good		Good		Moderate		Good conditions morning and evening with light smoke in the afternoon.
Sites without a monitor
Site		Today		Tomorrow		Comments for Today
Lucky Peak Rec. Area		Moderate		Good		Conditions improve by late morning
Disclaimer: Conditions may change quickly. These predictions are based on anticipated weather and fire activity. USG – Unhealthy for Sensitive Groups Idaho Smoke Blog: https://idsmoke.blogspot.com