AQS Web Application Warning

The Air Quality System (AQS) is a United States Environmental Protection Agency (EPA) computer system which may be accessed and used for authorized purposes only. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be monitored, recorded, read, copied, and disclosed to and by authorized personnel for official purposes, including law enforcement. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms.

AQS is exclusively for the use of federal, State, Territorial, and Tribal environmental agency employees and their delegatees working in their official capacities.

Please be aware that AQS has certain browser requirements. You must be running Internet Explorer 5 or higher and have completed setup of a Java plug-in. Please go to the AQS Web Application Setup page if you need to complete any setup steps.

I agree to these terms and want to enter the AQS application.

I would like to go to publicly accessible reports from AQS.

I would like to learn technical details about AQS at the Technology Transfer Network.

I would like to go to the EPA top page.

AQS Frequent Questions | Technology Transfer Network | Air & Radiation

AQS Web Application Warning

Local Navigation