Georgia's emissions testing requirements depend on where you live and what you drive
Georgia does not require emissions testing statewide. Instead, the state has designated certain counties where testing is mandatory, and the rules vary by vehicle age and type. If you live in one of these counties, you will need to pass an emissions test before you can register or renew your vehicle registration. If you live outside a testing county, you do not need to test — though you still must follow federal and state pollution standards for your vehicle's equipment.
The counties that require emissions testing are those in the Atlanta metropolitan area and a few surrounding regions where air quality has historically been a concern. These are the areas where the federal government has determined that emissions controls are necessary to meet air quality standards. Your county determines whether you test, not your vehicle's age or condition.
Key Takeaways
- Georgia requires emissions testing only in specific counties around Atlanta and a few surrounding areas; most of the state does not require testing.
- The test checks your vehicle's on-board diagnostic system and tailpipe emissions, and you must pass before you can register or renew your registration.
- Vehicles newer than a certain model year (typically five years old) may be exempt from testing in some counties, so check your county's specific rules.
- You can find a testing station through the Georgia Department of Natural Resources website or by calling your county's emissions program office.
Which Georgia counties require emissions testing
The following counties are in Georgia's emissions testing program: Fulton, DeKalb, Gwinnett, Cobb, Clayton, Henry, and Forsyth. If your vehicle is registered in one of these counties, you must test before registration or renewal. If you live in any other Georgia county, testing is not required.
Even within these counties, some vehicles are exempt. Diesel vehicles, motorcycles, and vehicles under a certain model year threshold may not need to test — the exact rules vary by county and change periodically. When you go to register or renew, the county will tell you whether your vehicle must be tested. You can also call your county's emissions office directly to confirm before you make a trip to a testing station.
What happens during a Georgia emissions test
The test itself takes about 10 to 15 minutes and happens at a state-certified testing station. The technician will connect your vehicle to a diagnostic machine that reads your on-board diagnostic system — the computer that monitors your engine and emissions equipment. The machine checks whether your vehicle's pollution control systems are working as designed.
For most vehicles, this is a computer-only test; the technician does not need to drive your car. Older vehicles or those that fail the computer test may also have their tailpipe emissions measured directly. If your vehicle passes, you receive a certificate that you take to the county tag office when you register or renew. If it fails, the testing station will tell you what needs to be repaired, and you can test again after repairs are made.
How to find a testing station in your county
The Georgia Department of Natural Resources maintains a list of certified emissions testing stations on its website. You can search by county to find stations near you, along with their hours and phone numbers. Many stations are run by repair shops, tire shops, or dedicated testing facilities, so you have options for where to go.
Call ahead before you visit. Some stations get busy during certain times of year — particularly near registration renewal important date — and a few may have limited hours. Asking whether your specific vehicle needs to test is also worth doing; the station staff can confirm based on your vehicle's year and type, and they can tell you what to bring.
What to bring and how much it costs
Bring your vehicle registration or proof of ownership and a valid photo ID. The testing fee varies by station but typically ranges from $25 to $35. This is a one-time fee per test; if you pass, you are done. If you fail and need to retest after repairs, you may pay the fee again, though some stations offer a retest discount within a certain window.
Your vehicle should be in reasonable running condition when you arrive. It does not need to be perfectly clean, but the engine should start and run normally. If your check engine light is on, the test may fail automatically, so have that addressed first if possible. Bring any recent repair records if you have had work done on your emissions system.
What to do if your vehicle fails the test
If your vehicle fails, the testing station will provide a report showing what failed. Common failures include a faulty oxygen sensor, a problem with the catalytic converter, or an issue with the evaporative emissions system. The report will not tell you how to fix it, but it will tell you what system is not working correctly.
Take the report to a repair shop and have them diagnose the specific problem. Once repairs are made, you can return to any certified testing station and retest. You do not have to go back to the same station. Keep your repair receipts; if you are asked about the work later, they serve as proof that you made a good-faith effort to fix the problem.
Registration and renewal important date for tested vehicles
You must have a passing emissions test before you can register a new vehicle or renew an existing registration in a testing county. If your registration is about to expire and you have not tested yet, do not wait until the last day. Testing stations can get busy, and if you fail and need repairs, you will need time to have the work done and retest.
Plan to test at least two to three weeks before your registration expires. If you are registering a new vehicle, you can test before or after purchase, but the test certificate must be in hand before you complete the registration at the tag office. Some tag offices will hold your registration temporarily if you are waiting for test results, but this varies by county, so ask when you explore.
Frequently Asked Questions
Do I need an emissions test if I just moved to Georgia from another state?
Only if you move to one of the seven testing counties and register your vehicle there. When you register your vehicle in Georgia, the tag office will tell you whether a test is required based on your new county. If you move to a non-testing county, you do not need to test.
What if my vehicle is too old to test?
Very old vehicles are sometimes exempt from testing. The cutoff year varies by county but is typically around 1996 or earlier. Call your county's emissions office or the testing station to confirm whether your vehicle is exempt based on its model year.
Can I test in a different county than where my vehicle is registered?
No. You must test in the county where your vehicle is registered. If you move to a different county, you will need to re-register your vehicle there and follow that county's testing rules.
What if I fail the test twice?
You can test as many times as needed. After each failure, have the repairs made and retest. If you are having trouble getting your vehicle to pass, ask the testing station or a repair shop for guidance on what might be causing the repeated failures.
Does Georgia offer any help paying for emissions repairs?
Georgia does not have a statewide repair information program. Some counties or local nonprofits may offer help for low-income vehicle owners, so contact your county's emissions office to ask whether any local resources exist.