| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 새만금 | 2026-09-06 14:00:00 | 11.0㎍/㎥ (1) | 7.0㎍/㎥ (1) | 0.1ppm (1) | 0.041ppm (2) | 0.001ppm (1) | 0.003ppm (1) |
| 새솔동 | 2026-09-06 14:00:00 | 3.0㎍/㎥ (1) | 0.0㎍/㎥ (1) | 0.2ppm (1) | 0.047ppm (2) | 0.003ppm (1) | 0.002ppm (1) |
| 서강동 | 2026-09-06 14:00:00 | 14.0㎍/㎥ (1) | 4.0㎍/㎥ (1) | 0.4ppm (1) | 0.044ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 서대문구 | 2026-09-06 14:00:00 | 7.0㎍/㎥ (1) | 1.0㎍/㎥ (1) | 0.2ppm (1) | 0.044ppm (2) | 0.003ppm (1) | 0.003ppm (1) |
| 서면 | 2026-09-06 14:00:00 | 14.0㎍/㎥ (1) | 1.0㎍/㎥ (1) | 0.3ppm (1) | 0.048ppm (2) | 0.003ppm (1) | 0.005ppm (1) |
| 서변동 | 2026-09-06 14:00:00 | 16.0㎍/㎥ (1) | 7.0㎍/㎥ (1) | 0.2ppm (1) | 0.045ppm (2) | 0.002ppm (1) | 0.009ppm (1) |
| 서석동 | 2026-09-06 14:00:00 | 12.0㎍/㎥ (1) | 6.0㎍/㎥ (1) | 0.4ppm (1) | 0.044ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 서신면 | 2026-09-06 14:00:00 | 6.0㎍/㎥ (1) | 0.0㎍/㎥ (1) | 0.2ppm (1) | 0.042ppm (2) | 0.003ppm (1) | 0.003ppm (1) |
| 서창 | 2026-09-06 14:00:00 | 6.0㎍/㎥ (1) | 3.0㎍/㎥ (1) | 0.3ppm (1) | 0.048ppm (2) | 0.003ppm (1) | 0.004ppm (1) |
| 서천읍 | 2026-09-06 14:00:00 | 20.0㎍/㎥ (1) | 3.0㎍/㎥ (1) | 0.3ppm (1) | 0.047ppm (2) | 0.004ppm (1) | 0.001ppm (1) |