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Rattlesnake Fire

Unit Information

Sequoia & Kings Canyon National Parks
National Park Service
47050 Generals Highway
Three Rivers, CA 93271

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Air Quality and Smoke Report 9/22/2020

Rattlesnake Fire Wildfire
Announcements – 9/22/2020


Current fire size is 141,600 acres with a growth of 4,092 acres

and containment has grown to 33%. Today will see weather

patterns similar to yesterday with the exception of an upper

level disturbance resulting in gusty ridgetop winds and sudden

changes in wind direction. Critical thresholds for increased fire

behavior will remain present in the afternoon hours with

potential for flareups and spotting. Burnout operations are

expected on the Northwest perimeter. Fire info, visit


Air quality across the outlook area is expected to remain

Unhealthy with a few areas of Unhealthy for Sensitive Groups.

With burnout operations underway, smoke may increase at

times. However, most smoke should remain within the Sierras.

Evening down drainage flow will transport smoke back into the


Special Note

Smoke Outlook reflects particulate matter impacts on air

quality. Review your closest monitoring station when planning

outdoor activities. Air quality may change unexpectedly. If you

begin to notice health effects from smoke, you are encouraged

to follow the "actions to protect yourself" listed below.

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