"Normally, we see relative humidity levels in the teens." "We haven’t seen numbers in single digits in a long time," Zuniga said. #CAwx #CAfire /pOYjOKZUCQ- NWS Sacramento August 4, 2021Ĭal Fire spokesperson Edwin Zuniga said humidity levels dropped to 6% Tuesday night. Breezy winds & extremely dry conditions will create critical fire weather conditions.Īre you prepared for wildfire? Visit for prep tips. ⚠️The Red Flag Warning has been expanded for portions of #NorCal for this afternoon - tomorrow evening. "Single digit humidity humidity … that’s really not good with these winds … that's bad," said Craig Clements, director San Jose State University's Fire Weather Research Laboratory and a professor at the university. Winds up to 35 mph and humidity levels as low as 6% to 9% are in the forecast. today and is expected to continue through 9 p.m. We now add a PurpleAir closeup of the Canadian forest fires with bad air near Banff and Kamloops.įrom World’s Air Pollution waqi.The Dixie Fire, 250 miles northeast of San Francisco, has torn through 274,139 acres and was 35% contained as of this morning, but firefighters' control of the blaze was threatened this afternoon with extreme weather conditions.Ī red flag warning from the National Weather Service went into effect at 1 p.m. We add the PurpleAir closeup of the Northern California area of the Dixie and Beckwourth fires. The 365 reading in central USA is a single detector, and might be near an outdoor barbecue. The worst reading on the Southern Canada fires is 304. The worst reading at the location of California fires is 662.
This shows the actual readings of PurpleAir air quality detectors of PM2.5. Orange is Unhealthy for Sensitive Groups of 101-150 ppm, and Yellow is Moderate of 50-100 ppm.
The Red around the Dixie and Beckwourth fires is Unhealthy from 151-200 ppm. The worst in the map in Southern Canada is purple of Very Unhealthy at 201-300 ppm. PM2.5 measures particle air pollution of size 2.5 millimeters. From light blue to dark red.ĪirNow Map of Western Air Pollution from Western Fires, showing PM2.5. Greenville is at the edge on the middle of the East flank.ġ0 Day Progression of the Dixie Fire, 7/14 to 7/23. Here is the updated to August 5 map of the Dixie fire from. Don’t blame the Eastern air pollution on the US alone. The total acres burned as of July 21 in Canada is 5.31 million acres, or 8,300 square miles. The over 70 currently burning wildfires have burned more than 1.5 million acres, or 2,350 square miles.
#CAL FIRE MAP 2021 DIXIE FIRE UPDATE#
Update July 28: the total acres burned this year in the US is 3 million acres, or 4,700 square miles. The largest US wildfire is the Bootleg fire in Southern Oregon at 413,000 acres or 645 square miles. The Beckwourth fire near Lake Tahoe in California is stabilized at 105,670 acres or 165 square miles. It is Northeast of Paradise, which was destroyed in 2018, the worst wildfire in California’s history. There are 6,000 personnel working on the fire.
It is in Butte, Lassen, and Tehama Counties, and is 25% contained. It is now threatening 16,000 structures, and has displaced 30,000 people. It has burned down the central district of the town of Greenville and 900 structures. It is now the second largest fire in California history. The Dixie Fire, Northwest of Lake Tahoe and of the Beckwourth Fire, is now the largest in California at (update August 10) 488,000 acres, or 763 square miles, larger than Los Angeles at 503 square miles.
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