Table 3 - Ambient Air Quality Data
Connecticut Nitrogen Dioxide

Map of annual average NO2 concentration

Annual average nitrogen dioxide (NO2) concentration in ppm for sites in Connecticut. The annual average NO2 standard is 0.05 ppm.

NAAQS = 0.05 ppm
Graph of annual arithmetic mean NO2 vs. year
Units: 007 ppm
MAX 1-HR MAX 24-HR
Site ID P O C M T City County Address YR REP ORG # OBS 1ST 2ND 1ST 2ND ARIT MEAN METH
09-001-0113 1 2 Bridgeport Fairfield Shed Congress Street 97 001 8397 0.091 0.081 0.022 74
09-001-9003 1 3 Westport Fairfield Sherwood Island State Park 97 001 6375 0.076 0.073 .017? 74
09-003-1003 1 2 East Hartford Hartford Mcauliffee Park 97 001 7706 0.018 0.078 0.018 74
09-003-1123 1 2 New Haven New Haven 715 State Street 97 001 8526 0.118 0.11 0.024 74
09-013-1001 1 3 Stafford Tolland Route 190, Shenipsit State Forest 97 001 4336 0.034 0.033 .006? 74
? indicates that the mean does not satisfy summary criteria
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Steven McDougall / swmcd@theworld.com / 1998 September 27