| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 장락동 | 2026-07-15 06:00:00 | 5.0㎍/㎥ (1) | 0.0㎍/㎥ (1) | 0.3ppm (1) | 0.036ppm (2) | 0.002ppm (1) | 0.002ppm (1) |
| 장량동 | 2026-05-14 11:00:00 | 25.0㎍/㎥ (1) | 16.0㎍/㎥ (1) | nullppm (null) | nullppm (null) | nullppm (null) | nullppm (null) |
| 장림동 | 2026-07-15 06:00:00 | 33.0㎍/㎥ (1) | 8.0㎍/㎥ (1) | 0.2ppm (1) | 0.022ppm (1) | 0.002ppm (1) | 0.005ppm (1) |
| 장성읍 | 2026-07-15 06:00:00 | 32.0㎍/㎥ (1) | 11.0㎍/㎥ (1) | 0.2ppm (1) | 0.039ppm (2) | 0.003ppm (1) | 0.003ppm (1) |
| 장수읍 | 2026-07-15 06:00:00 | 38.0㎍/㎥ (1) | 27.0㎍/㎥ (1) | 0.2ppm (1) | 0.047ppm (2) | 0.003ppm (1) | 0.003ppm (1) |
| 장유동 | 2026-07-15 06:00:00 | 15.0㎍/㎥ (1) | 10.0㎍/㎥ (1) | 0.3ppm (1) | 0.034ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 장재리 | 2026-07-15 06:00:00 | 15.0㎍/㎥ (1) | 8.0㎍/㎥ (1) | 0.3ppm (1) | 0.037ppm (2) | 0.003ppm (1) | 0.006ppm (1) |
| 장천동 | 2026-07-15 06:00:00 | 29.0㎍/㎥ (1) | 17.0㎍/㎥ (1) | 0.2ppm (1) | 0.022ppm (1) | 0.003ppm (1) | 0.004ppm (1) |
| 장항읍 | 2026-07-15 06:00:00 | 23.0㎍/㎥ (1) | 18.0㎍/㎥ (1) | 0.4ppm (1) | 0.035ppm (2) | 0.006ppm (1) | 0.014ppm (1) |
| 장항항 | 2026-07-15 06:00:00 | 36.0㎍/㎥ (1) | 14.0㎍/㎥ (1) | 0.2ppm (1) | 0.045ppm (2) | 0.001ppm (1) | 0.006ppm (1) |