| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 삼기면 | 2026-03-18 03:00:00 | 77.0㎍/㎥ (2) | 58.0㎍/㎥ (3) | 0.4ppm (1) | 0.033ppm (2) | 0.003ppm (1) | 0.011ppm (1) |
| 삼남읍 | 2026-03-18 03:00:00 | 34.0㎍/㎥ (2) | 32.0㎍/㎥ (2) | 0.4ppm (1) | 0.018ppm (1) | 0.002ppm (1) | 0.014ppm (1) |
| 삼락동 | 2026-03-18 03:00:00 | 29.0㎍/㎥ (1) | 29.0㎍/㎥ (2) | 0.5ppm (1) | 0.018ppm (1) | 0.003ppm (1) | 0.022ppm (1) |
| 삼방동 | 2026-03-18 03:00:00 | 30.0㎍/㎥ (1) | 24.0㎍/㎥ (2) | 0.4ppm (1) | 0.014ppm (1) | 0.003ppm (1) | 0.018ppm (1) |
| 삼산 | 2026-03-18 03:00:00 | 66.0㎍/㎥ (2) | 50.0㎍/㎥ (3) | 0.6ppm (1) | 0.019ppm (1) | 0.004ppm (1) | 0.04ppm (2) |
| 삼산동 | 2026-03-18 03:00:00 | 33.0㎍/㎥ (2) | 22.0㎍/㎥ (2) | 0.5ppm (1) | 0.027ppm (1) | 0.002ppm (1) | 0.018ppm (1) |
| 삼일동 | 2026-03-18 03:00:00 | 27.0㎍/㎥ (1) | 21.0㎍/㎥ (2) | 0.6ppm (1) | 0.022ppm (1) | 0.002ppm (1) | 0.013ppm (1) |
| 삼진로 | 2026-03-18 03:00:00 | 32.0㎍/㎥ (1) | 28.0㎍/㎥ (2) | 0.4ppm (1) | 0.024ppm (1) | 0.002ppm (1) | 0.013ppm (1) |
| 삼척항 | 2026-03-18 03:00:00 | 60.0㎍/㎥ (2) | 37.0㎍/㎥ (2) | 0.5ppm (1) | 0.03ppm (1) | 0.002ppm (1) | 0.01ppm (1) |
| 삼천동 | 2026-03-18 03:00:00 | 46.0㎍/㎥ (2) | 32.0㎍/㎥ (2) | 0.4ppm (1) | 0.035ppm (2) | 0.003ppm (1) | 0.008ppm (1) |