| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 당리동 | 2026-09-06 14:00:00 | 27.0㎍/㎥ (1) | 11.0㎍/㎥ (1) | 0.3ppm (1) | 0.051ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 당진시청사 | 2026-09-06 14:00:00 | 8.0㎍/㎥ (1) | 4.0㎍/㎥ (1) | 0.3ppm (1) | 0.041ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 대가야읍 | 2026-09-06 14:00:00 | 19.0㎍/㎥ (1) | 11.0㎍/㎥ (1) | 0.2ppm (1) | 0.046ppm (2) | 0.002ppm (1) | 0.003ppm (1) |
| 대광동 | 2026-09-06 10:00:00 | 13.0㎍/㎥ (1) | 12.0㎍/㎥ (1) | 0.3ppm (1) | 0.035ppm (2) | 0.003ppm (1) | 0.005ppm (1) |
| 대도동 | 2026-09-06 14:00:00 | 30.0㎍/㎥ (1) | 18.0㎍/㎥ (1) | 0.4ppm (1) | 0.051ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 대명동 | 2026-09-06 14:00:00 | 13.0㎍/㎥ (1) | 6.0㎍/㎥ (1) | 0.4ppm (1) | 0.048ppm (2) | 0.003ppm (1) | 0.005ppm (1) |
| 대부동 | 2026-09-06 14:00:00 | 9.0㎍/㎥ (1) | 2.0㎍/㎥ (1) | 0.2ppm (1) | 0.05ppm (2) | 0.002ppm (1) | 0.003ppm (1) |
| 대불 | 2026-09-06 14:00:00 | 17.0㎍/㎥ (1) | 20.0㎍/㎥ (1) | 0.3ppm (1) | 0.043ppm (2) | 0.002ppm (1) | 0.002ppm (1) |
| 대산리 | 2026-09-06 14:00:00 | 4.0㎍/㎥ (1) | 7.0㎍/㎥ (1) | 0.4ppm (1) | 0.045ppm (2) | 0.004ppm (1) | 0.005ppm (1) |
| 대산면 | 2026-09-06 14:00:00 | 21.0㎍/㎥ (1) | 7.0㎍/㎥ (1) | 0.3ppm (1) | 0.048ppm (2) | 0.002ppm (1) | 0.003ppm (1) |