Second-highest eight-hour average carbon monoxide (CO) concentration in ppm for sites in Connecticut. The eight-hour CO standard is 9 ppm.
| MAX 1-HR | MAX 8-HR | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Site ID | P O C | M T | City | County | Address | YR | REP ORG | # OBS | 1ST | 2ND | OBS > 35 | 1ST | 2ND | OBS > 9 | METH |
| 09-001-0004 | 1 | 2 | Bridgeport | Fairfield | Jasper McLevy Hall, State Street | 97 | 001 | 8571 | 8.2 | 7.8 | 0 | 5.6 | 4 | 0 | 0 |
| 09-001-0020 | 1 | 2 | Stamford | Fairfield | Library 96 Broad St | 97 | 001 | 8667 | 8 | 7 | 0 | 5.7 | 5.1 | 0 | 54 |
| 09-003-0013 | 1 | 1 | Hartford | Hartford | 401 Flatbush Avenue | 97 | 001 | 8403 | 4.6 | 4.4 | 0 | 4 | 3.7 | 0 | 0 |
| 09-003-0017 | 1 | 1 | Hartford | Hartford | Courthouse, 155 Morgan Street | 97 | 001 | 5732 | 12.5 | 11.7 | 0 | 6.1 | 5.9 | 0 | 54 |
| 09-009-0025 | 1 | 2 | New Haven | New Haven | 121 Elm Street | 97 | 001 | 8501 | 7.3 | 7.1 | 0 | 4.2 | 3.9 | 0 | 0 |