| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 당리동 | 2026-07-14 22:00:00 | 23.0㎍/㎥ (2) | 9.0㎍/㎥ (1) | 0.2ppm (1) | 0.044ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 당진시청사 | 2026-07-14 22:00:00 | 9.0㎍/㎥ (1) | 8.0㎍/㎥ (1) | 0.4ppm (1) | 0.074ppm (2) | 0.003ppm (1) | 0.005ppm (1) |
| 대가야읍 | 2026-07-08 14:00:00 | 21.0㎍/㎥ (1) | 9.0㎍/㎥ (1) | 0.3ppm (1) | 0.034ppm (2) | 0.002ppm (1) | 0.004ppm (1) |
| 대광동 | 2026-07-14 22:00:00 | 19.0㎍/㎥ (1) | 13.0㎍/㎥ (1) | 0.3ppm (1) | 0.023ppm (1) | 0.003ppm (1) | 0.005ppm (1) |
| 대도동 | 2026-07-14 22:00:00 | null㎍/㎥ (null) | null㎍/㎥ (null) | nullppm (null) | nullppm (null) | nullppm (null) | nullppm (null) |
| 대명동 | 2026-07-14 22:00:00 | 13.0㎍/㎥ (1) | 7.0㎍/㎥ (1) | 0.2ppm (1) | 0.025ppm (1) | 0.002ppm (1) | 0.005ppm (1) |
| 대부동 | 2026-07-14 22:00:00 | 45.0㎍/㎥ (2) | 6.0㎍/㎥ (1) | 0.2ppm (1) | 0.042ppm (2) | 0.002ppm (1) | 0.003ppm (1) |
| 대불 | 2026-07-14 22:00:00 | 32.0㎍/㎥ (1) | 15.0㎍/㎥ (1) | 0.3ppm (1) | 0.027ppm (1) | 0.002ppm (1) | 0.002ppm (1) |
| 대산리 | 2026-07-14 22:00:00 | 12.0㎍/㎥ (1) | 6.0㎍/㎥ (1) | 0.4ppm (1) | 0.04ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 대산면 | 2026-07-14 22:00:00 | 23.0㎍/㎥ (1) | 10.0㎍/㎥ (1) | 0.3ppm (1) | 0.017ppm (1) | 0.003ppm (1) | 0.005ppm (1) |