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  1. Home
  2. Air Quality System (AQS)

AQS Memos - Archive Data

In the table below, you find information on AQS that has been archived.

Memo Date
Memo Name/Contents
1-31-14

AQS Update for Jan. 31,2014

AQS Patch Description

6-28-13

AQS Status Update for June 28, 2013


Technical Note - POC 6-28-13
QA Data Input Formats

10-01-12 Reversal of July 23, 2012 change to Ozone 8-Hour Design Value Calculations
8-28-12

Change of standard units & removal of 1/2 MDL substitution & PM10 specified metals

1-14-11 Wind Speed and Wind Direction Parameter Name Change
1-11-11 NO2 and SO2 NAAQS Revisions to AQS (Additions to Phase I) - standard units fo NO2 and SO2 related parameters changed to PPB
5-14-10 Revised Software release Notes for May 14, 2010
10-08-08 Tribal Reporting to AQS
12-18-07 E-Mail: Instructions for Adding Exceptional Event Comments to Flags
3-9-07 AQS Geospatial Doc

Air Quality System (AQS)

  • AQS User Support
    • New User Registration
    • Training
    • Events Calendar
    • Java Memo
  • All Manuals and Guides
    • User Guide
      • AQS at a Glance
      • ENSC at a Glance
      • Logging On
      • Site ID Format
      • Batch Submission - Overview
      • Batch Submission - Using the ENSC
      • Batch Submission - Loading Using AQS
      • Batch Submission - Type of Data
      • Correct - Overview
      • Correct - Raw Data
      • Correct - 1-PT QC
      • Maintain - Overview
      • Maintain - Site
      • Maintain - Monitor
      • Maintain - Adding Events
      • Maintain - QA
      • Setting Up Samplers
      • Data Reports
      • CA Dump Bucket
      • Logging Off and Additional Info
    • Code Lists
    • Data Dictionary
    • Data Coding Manual
    • AQS Primer
    • AQS Frequent Questions
  • Related Resources
    • Monitoring and Policy Memos
    • AQS Pollutant Memos
    • Quality Assurance and Audits Memos
  • Archive Data
  • Obtaining AQS Data
    • API
    • About AQS Datamart
    • Pre-Generated Data
AQS Contact Us
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 21, 2025
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