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National Center for Chronic Disease Prevention and Health Promotion Behavioral Risk Factor Surveillance System BRFSS Home | Contact Us |
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2002 Air Quality System Overview document
Please read this document before performing any data analyses.
Provides information on the Air Quality System (AQS), Air Quality Index (AQI), data limitations, variables for analyses, and statistical and analytical issues.
469K 2002 Metropolitan Area Prevalence Tables
168K 2002 Metropolitan Area Data Weighting Methodology
Provides information on the background, design, data collection and processing, and statistical and analytical issues.
201K Annual Summary of Particulate Matter (PM2.5) AQI Values for Selected Metropolitan Areas, 2002
344K Annual Summary of Particulate Matter (PM10) AQI Values for Selected Metropolitan Areas, 2002
326K Annual Summary of Sulfur Dioxide (SO2) AQI Values for Selected Metropolitan Areas, 2002
264K Annual Summary of Carbon Monoxide (CO) AQI Values for Selected Metropolitan Areas, 2002
287K Annual Summary of Ozone (O3) AQI Values for Selected Metropolitan Areas, 2002
320K Annual Summary of Daily AQI Values for Selected Metropolitan Areas, 2002
380K
The data files are provided in ASCII and SAS Transport formats. There are 105,418 records for 2002.
2002 Air Quality System Summary Data
43K Variable Layout for 2002 Air Quality System Summary
10K 2002 Metropolitan Area Data (ASCII)
Data released September 1, 2006This file is in ASCII format. It has a fixed record length of 1,050 positions.
11Mb
Variable Layout for 2002 Metropolitan Area Data
Format information on variable name by column position for Metropolitan Area Data.
17K 2002 Metropolitan Area Data (SAS Transport Format)
Data released September 1, 2006This file was exported from SAS V8.2 in the XPT transport format. This file contains 306 variables. This format can be imported into SPSS or STATA. Please note: Some of the variable labels get truncated in the process of converting to the XPT format so they may be slightly different from what is on the PMSA_SASOUT02.SAS program.
20Mb
PMSA_sasout02
SAS for Windows program to convert the ASCII file into a SAS dataset.
25K
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