This document contains definitions for tables and dimensions that make up a fact table for air quality monitoring data. The fact table contains measurements for various pollutants tied to dimensions for location, date, agency, and station type. The dimensions define lookup tables for location names, states, station codes, agencies, and monitoring station names.

1. FACT
SERIAL_NO INTEGER
LOCATION_ID INTEGER
AGENCY_ID INTEGER
DATE_ID INTEGER
LOCATION_MONITORING_STATION_ID INTEGER
STATE_ID INTEGER
STN_CODE_ID INTEGER
TYPE_ID INTEGER
SO2 DOUBLE
NO2 DOUBLE
RSPM DOUBLE
SPM DOUBLE
PM2_5 DOUBLE
DIM_LOCATION
ID INTEGER
LOCATION STRING
DIM_STATE
ID INTEGER
STATE STRING
DIM_STN_CODE
ID INTEGER
STN_CODE INTEGER
DIM_AGENCY
ID INTEGER
AGENCY STRING
DIM_TYPE
ID INTEGER
TYPE STRING
DIM_DATE
ID INTEGER
DATE STRING
DIM_LOCATION_MONITORING_STATION
ID INTEGER
LOCATION_MONITORING_STATION STRING