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Ambient Monitoring Technology Information Center (AMTIC)

PAMS Network and Sites

PAMS Area List

This table identifies the 24 1-hour ozone nonattainment areas currently subject to PAMS.

Nonattainment Areas Subject to PAMS Classification
Atlanta, GA Serious
Baltimore, MD Severe
Baton Rouge, LA Serious
Boston-Lawrence-Worcester, MA-NH Serious
Chicago-Gary-Lake County (IL), IL-IN-WI1 Severe
Dallas-Fort Worth, TX Serious
El Paso, TX Serious
Greater Connecticut, CT Serious
Houston-Galveston-Brazoria, TX Severe
Los Angeles-South Coast Air Basin, CA2 Extreme
Milwaukee-Racine, WI1 Severe
New York-New Jersey-Long Island, NY-NJ-CT Severe
Phoenix, AZ Serious
Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Severe
Portsmouth-Dover-Rochester, NH-ME Serious
Providence-Pawtucket-Fall River, RI-MA Serious
Sacramento, CA Severe
San Diego, CA Serious
San Joaquin Valley, CA Serious
Santa Barbara-Santa Maria-Lompac, CA Serious
SE Desert Modified AQMA, CA2 Severe
Springfield, MA Serious
Ventura County, CA Severe
Washington, DC-MD-VA Serious
1) Chicago and Milwaukee are combined into one PAMS area referred to as Lake Michigan.
2) Los Angeles-South Coast and SE Desert Modified AQMA are combined into one PAMS area referred to as South Coast-SEDAB

PAMS Site Map

Image of PAMS Site locations

This map (PDF) (1pg, 28k, about PDF) shows the location of all current PAMS surface monitoring sites. Information on each of these sites can be found in the PAMS Status Report located below.

PAMS Status Report

The PAMS Status Report is a brief compilation of the PAMS sites in each of the current Serious, Severe, or Extreme ozone nonattainment areas (1-hour NAAQS) and contains information on the site location, AIRS ID, sampling equipment and operating history. This table is also linked to a sampling frequency table.

Monitoring Frequency Table

This report contains a listing of the actual volatile organic compound and carbonyl sampling frequencies for each PAMS site and network.


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