Table 3 - Ambient Air Quality Data
Connecticut PM10

Map of annual average PM10 concentration

Annual average PM10 concentration in µg/m3 for sites in Connecticut. The annual average PM10 standard is 50 µg/m3.

NAAQS = 150 µg/m3
Graph of second maximum 24 hour value vs. year
NAAQS = 50 µg/m3
Graph of weighted arithmetic mean vs. year
Units: 001 µg/m3 (25C)
Scheduled Maximum Values VALS > 150
Site ID P O C M T City County Address YR REP ORG NUM OBS NUM OBS % OBS NUM REQ 1ST 2ND 3RD 4TH MEAS EST WTD ARITH MEAN METH
09-001-0010 1 1 Bridgeport Fairfield Roosevelt School, Park Ave. 97 001 55 55 87 63 61 51 41 40 0 0 21? 62
09-001-0017 1 2 Greenwich Fairfield Greenwich Point Park 97 001 61 61 97 63 90 61 46 43 0 0 20 62
09-001-0113 3 3 Bridgeport Fairfield Shed Congress Street 97 001 4 4 80 5 26 25 21 11 0 0 21? 62
09-001-1123 1 2 Danbury Fairfield Trailer, W. Connecticut State University 97 001 60 60 95 63 47 46 46 41 0 0 21 62
09-001-1401 1 1 Darien Fairfield I-95 at Brookside Drive 97 001 59 59 94 63 63 50 47 44 0 0 26 62
09-001-2014 1 1 Norwalk Fairfield I-95 at West Ave. 97 001 59 59 94 63 67 65 53 52 0 0 31 62
09-001-9003 1 3 Westport Fairfield Sherwood Island Street 97 001 7 7 88 8 24 20 18 14 0 0 15? 79
09-003-0013 1 1 Hartford Hartford 401 Flatbush Avenue 97 001 61 61 97 63 47 42 40 39 0 0 19 62
09-003-0015 1 1 Hartford Hartford Helco, 400 Sheldon Street 97 001 59 59 94 63 53 45 42 41 0 0 22 62
09-003-0015 3 3 Hartford Hartford Helco, 400 Sheldon Street 97 001 59 59 94 63 51 45 42 41 0 0 22 62
09-003-1004 1 2 East Hartford Hartford City Hall, 740 Main Street 97 001 59 59 94 63 50 47 42 39 0 0 21 62
09-003-1005 1 2 Enfield Hartford Shaker Road 97 001 59 59 94 63 45 41 35 35 0 0 16 62
09-003-1018 3 3 Hartford Hartford Corner of Sheldon St. 97 001 0 0 0 0 0 0 31? 79
09-003-2001 1 2 Burlington Hartford Punch Brook Road at Fish Ponds 97 001 58 58 92 63 44 38 37 29 0 0 14 62
09-005-6001 1 2 Torrington Litchfield 140 Main Street 97 001 57 57 90 63 41 38 37 31 0 0 19 62
09-007-1003 1 2 Middletown Middlesex City Hall, Dekoven Drive 97 001 58 58 92 63 47 44 37 36 0 0 19 62
09-009-0011 1 1 New Haven New Haven Hamilton Ave 97 001 61 61 97 63 55 42 40 39 0 0 22 62
09-009-0018 1 1 New Haven New Haven Stiles Street 97 001 54 54 86 63 63 60 46 45 0 0 29? 62
09-009-0021 1 3 New Haven New Haven Corner of Stiles Street & Alabama Street 97 001 338 338 93 365 67 64 58 57 0 0 24 79
09-009-0021 2 3 New Haven New Haven Corner of Stiles Street & Alabama Street 97 001 338 338 93 365 67 64 58 57 0 0 24 79
09-009-1123 1 1 New Haven New Haven 715 State Street 97 001 61 61 97 63 54 41 40 38 0 0 21 62
09-009-1123 2 2 New Haven New Haven 715 State Street 97 001 61 61 97 63 52 43 41 37 0 0 21 62
09-009-2123 1 1 Waterbury New Haven Shed Meadow and Bank Street 97 001 58 58 92 63 46 43 42 41 0 0 23 62
09-009-2123 2 3 Waterbury New Haven Shed Meadow and Bank Street 97 001 58 58 92 63 47 45 43 40 0 0 24 62
09-009-2123 4 3 Waterbury New Haven Shed Meadow and Bank Street 97 001 272 272 99 48 68 63 59 56 0 0 23? 79
09-009-4006 1 2 Wallingford New Haven 45 South Main St 97 001 60 60 95 63 47 44 41 37 0 0 18 62
09-011-0009 1 1 New London New London Perkins Street turn-around 97 001 54 54 86 63 65 39 36 36 0 0 18 62
09-011-3002 1 2 Norwich New London 22 Court House Square 97 001 56 56 89 63 52 41 38 36 0 0 19 62
09-011-9001 1 2 Voluntown New London Pachaug State Forest 97 001 59 59 94 63 64 45 39 38 0 0 15 62
09-015-1002 1 2 Willimanti Windham 108 Valley Street 97 001 59 59 94 63 41 37 37 35 0 0 17 62
? indicates that the mean does not satisfy summary criteria
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Steven McDougall / swmcd@theworld.com / 1998 September 27