| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 당리동 | 2026-05-15 22:00:00 | 18.0㎍/㎥ (1) | 9.0㎍/㎥ (1) | 0.3ppm (1) | 0.037ppm (2) | 0.003ppm (1) | 0.02ppm (1) |
| 당진시청사 | 2026-05-15 22:00:00 | 23.0㎍/㎥ (1) | 12.0㎍/㎥ (1) | 0.4ppm (1) | 0.042ppm (2) | 0.004ppm (1) | 0.008ppm (1) |
| 대가야읍 | 2026-05-15 22:00:00 | 23.0㎍/㎥ (1) | 16.0㎍/㎥ (2) | 0.5ppm (1) | 0.07ppm (2) | 0.002ppm (1) | 0.009ppm (1) |
| 대광동 | 2026-05-15 22:00:00 | 33.0㎍/㎥ (1) | 26.0㎍/㎥ (2) | 0.5ppm (1) | 0.043ppm (2) | 0.002ppm (1) | 0.018ppm (1) |
| 대도동 | 2026-05-15 22:00:00 | 43.0㎍/㎥ (2) | 21.0㎍/㎥ (1) | 0.4ppm (1) | 0.028ppm (1) | 0.003ppm (1) | 0.022ppm (1) |
| 대명동 | 2026-05-15 22:00:00 | 19.0㎍/㎥ (1) | 10.0㎍/㎥ (1) | 0.4ppm (1) | 0.055ppm (2) | 0.002ppm (1) | 0.013ppm (1) |
| 대부동 | 2026-05-15 22:00:00 | 17.0㎍/㎥ (1) | 11.0㎍/㎥ (1) | 0.2ppm (1) | 0.053ppm (2) | 0.002ppm (1) | 0.005ppm (1) |
| 대불 | 2026-05-15 22:00:00 | 46.0㎍/㎥ (2) | 28.0㎍/㎥ (2) | 0.4ppm (1) | 0.058ppm (2) | 0.002ppm (1) | 0.008ppm (1) |
| 대산리 | 2026-05-15 22:00:00 | 15.0㎍/㎥ (1) | 11.0㎍/㎥ (1) | 0.3ppm (1) | 0.039ppm (2) | 0.004ppm (1) | 0.012ppm (1) |
| 대산면 | 2026-05-15 22:00:00 | 36.0㎍/㎥ (2) | 22.0㎍/㎥ (2) | 0.2ppm (1) | 0.036ppm (2) | 0.002ppm (1) | 0.013ppm (1) |