Table 3 - Ambient Air Quality Data
Rhode Island Sulfur Dioxide

Map of annual average SO2 concentration

Annual average sulfur dioxide (SO2) concentration in ppm for sites in Rhode Island. The annual average SO2 standard is 0.03 ppm.

NAAQS = 0.14 ppm
Graph of second maximum 24 hour value vs. year
NAAQS = 0.03 ppm
Graph of annual arithmetic mean vs. year
Units: 007 ppm
MAX 24-HR MAX 3-HR MAX 1-HR
Site ID P O C M T City County Address YR REP ORG # OBS 1ST 2ND OBS > ST 1ST 2ND OBS > ST 1ST 2ND ARITH MEAN METH
44-007-0012 2 1 Providence Providence Rockefeller Library, Prospect Street 97 001 8030 0.037 0.037 0 0.077 0.061 0 0.087 0.074 0.008 39
44-007-1005 1 1 Pawtucket Providence Summit Street Sampling Site 97 001 8009 0.032 0.031 0 0.063 0.061 0 0.089 0.081 0.006 9
44-007-1009 1 1 Providence Providence 76 Dorrance Street 97 001 8234 0.034 0.032 0 0.076 0.058 0 0.092 0.078 0.007 39
? indicates that the mean does not satisfy summary criteria
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Steven McDougall / swmcd@theworld.com / 1998 September 27