VirtualOpacity^® State Acceptance Map

State-by-state acceptance of ALT-152A

Hover over a state Click to view VR smoke school status and state training and opacity information

Accepted Pending / not accepted

Alabama

VirtualOpacity^® (ALT-152A) status: Accepted

Alabama acceptance letter (PDF) »

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Alaska

VirtualOpacity^® (ALT-152A) status: Accepted

Alaska acceptance letter (PDF) »

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Arizona

VirtualOpacity^® (ALT-152A) status: Accepted

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Arkansas

VirtualOpacity^® (ALT-152A) status: Accepted

Arkansas acceptance letter (PDF) »

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California

VirtualOpacity^® (ALT-152A) status: Accepted

Regional air agencies

Amador County APCD: Pending
Antelope Valley AQMD: Pending
Bay Area AQMD: Pending
Butte County AQMD: Pending
Calaveras County APCD: Pending
Colusa County APCD: Pending
Eastern Kern APCD: Pending
El Dorado County: Pending
Feather River AQMD: Pending
Glenn County APCD: Pending
Great Basin Unified APCD: Pending
Imperial County: Pending
Lake County AQMD: Pending
Lassen County APCD: Pending
Mariposa County APCD: Pending
Mendocino County AQMD: Pending
Modoc County APCD: Pending
Mojave Desert AQMD: Accepted
Monterey Bay Air Resources District: Pending
North Coast Unified AQMD: Pending
Northern Sierra AQMD: Pending
Northern Sonoma County APCD: Pending
Placer County APCD: Pending
Sacramento Metro AQMD: Pending
San Diego County APCD: Pending
San Joaquin Valley APCD: Pending
San Luis Obispo County APCD: Pending
Santa Barbara County APCD: Pending
Shasta County AQMD: Pending
Siskiyou County APCD: Pending
South Coast AQMD: Pending
Tehama County APCD: Pending
Tuolumne County APCD: Pending
Ventura County: Pending
Yolo-Salono AQMD: Pending

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Colorado

VirtualOpacity^® (ALT-152A) status: Accepted

Colorado acceptance letter (PDF) »

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Connecticut

VirtualOpacity^® (ALT-152A) status: Pending

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Delaware

VirtualOpacity^® (ALT-152A) status: Accepted Conditionally

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Florida

VirtualOpacity^® (ALT-152A) status: Accepted

Florida acceptance letter (PDF) »

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Georgia

VirtualOpacity^® (ALT-152A) status: Accepted

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Hawaii

VirtualOpacity^® (ALT-152A) status: Accepted

Hawaii acceptance letter (PDF) »

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Idaho

VirtualOpacity^® (ALT-152A) status: Accepted

Idaho acceptance letter (PDF) »

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Illinois

VirtualOpacity^® (ALT-152A) status: Pending

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Indiana

VirtualOpacity^® (ALT-152A) status: Accepted

Indiana acceptance letter (PDF) »

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Iowa

VirtualOpacity^® (ALT-152A) status: Accepted

Iowa acceptance letter (PDF) »

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Kansas

VirtualOpacity^® (ALT-152A) status: Pending

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Kentucky

VirtualOpacity^® (ALT-152A) status: Accepted

Kentucky acceptance letter (PDF) »

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Louisiana

VirtualOpacity^® (ALT-152A) status: Accepted

Louisiana acceptance letter (PDF) »

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Maine

VirtualOpacity^® (ALT-152A) status: Pending

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Maryland

VirtualOpacity^® (ALT-152A) status: Accepted

Maryland acceptance letter (PDF) »

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Massachusetts

VirtualOpacity^® (ALT-152A) status: Pending

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Michigan

VirtualOpacity^® (ALT-152A) status: Pending

Michigan acceptance letter (PDF) »

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Minnesota

VirtualOpacity^® (ALT-152A) status: Accepted

Minnesota acceptance letter (PDF) »

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Mississippi

VirtualOpacity^® (ALT-152A) status: Accepted

Mississippi acceptance letter (PDF) »

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Missouri

VirtualOpacity^® (ALT-152A) status: Pending

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Montana

VirtualOpacity^® (ALT-152A) status: Accepted

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Nebraska

VirtualOpacity^® (ALT-152A) status: Pending

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Nevada

VirtualOpacity^® (ALT-152A) status: Pending

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New Hampshire

VirtualOpacity^® (ALT-152A) status: Pending

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New Jersey

VirtualOpacity^® (ALT-152A) status: Accepted

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New Mexico

VirtualOpacity^® (ALT-152A) status: Accepted

New Mexico acceptance letter (PDF) »

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New York

VirtualOpacity^® (ALT-152A) status: Accepted

New York acceptance letter (PDF) »

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North Carolina

VirtualOpacity^® (ALT-152A) status: Accepted

North Carolina acceptance letter (PDF) »

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North Dakota

VirtualOpacity^® (ALT-152A) status: Pending

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Ohio

VirtualOpacity^® (ALT-152A) status: Accepted

Ohio acceptance letter (PDF) »

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Oklahoma

VirtualOpacity^® (ALT-152A) status: Pending

Oklahoma acceptance letter (PDF) »

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Oregon

VirtualOpacity^® (ALT-152A) status: Accepted

Oregon acceptance letter (PDF) »

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Pennsylvania

VirtualOpacity^® (ALT-152A) status: Pending

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Rhode Island

VirtualOpacity^® (ALT-152A) status: Accepted

Rhode Island acceptance letter (PDF) »

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South Carolina

VirtualOpacity^® (ALT-152A) status: Accepted

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South Dakota

VirtualOpacity^® (ALT-152A) status: Not Accepted

South Dakota letter (not approved) (PDF) »

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Tennessee

VirtualOpacity^® (ALT-152A) status: Accepted

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Texas

VirtualOpacity^® (ALT-152A) status: Accepted

Texas acceptance letter (PDF) »

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Utah

VirtualOpacity^® (ALT-152A) status: Accepted

Utah acceptance letter (PDF) »

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Vermont

VirtualOpacity^® (ALT-152A) status: Pending

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Virginia

VirtualOpacity^® (ALT-152A) status: Accepted

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Washington

VirtualOpacity^® (ALT-152A) status: Accepted

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West Virginia

VirtualOpacity^® (ALT-152A) status: Accepted

West Virginia acceptance letter (PDF) »

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Wisconsin

VirtualOpacity^® (ALT-152A) status: Pending

Wisconsin acceptance letter (PDF) »

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Wyoming

VirtualOpacity^® (ALT-152A) status: Accepted

Regional air agencies

Casper: Pending
Cheyenne: Pending
Lander: Pending
Pinedale: Pending
Sheridan: Pending

Wyoming acceptance letter (PDF) »

Find in-person smoke schools in Wyoming »

VirtualOpacity VR smoke school recognition

The use of CAA’s VirtualOpacity^® platform has federal EPA approval. The states shown above have formally or informally indicated their acceptance of alternative opacity testing methods, including certifications conducted using the ALT-152A protocol. Note that state agencies cannot explicitly endorse specific vendors or methodologies.