| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 회원동 | 2026-03-26 22:00:00 | 61.0㎍/㎥ (2) | 37.0㎍/㎥ (3) | 0.6ppm (1) | 0.055ppm (2) | 0.003ppm (1) | 0.019ppm (1) |
| 횡성읍 | 2026-03-26 22:00:00 | 73.0㎍/㎥ (2) | 42.0㎍/㎥ (3) | 0.8ppm (1) | 0.046ppm (2) | 0.004ppm (1) | 0.027ppm (1) |
| 효문동 | 2026-03-26 22:00:00 | 69.0㎍/㎥ (2) | 51.0㎍/㎥ (3) | 0.5ppm (1) | 0.038ppm (2) | 0.004ppm (1) | 0.049ppm (2) |
| 효성 | 2026-03-26 22:00:00 | 43.0㎍/㎥ (2) | 44.0㎍/㎥ (2) | 0.6ppm (1) | 0.039ppm (2) | 0.003ppm (1) | 0.019ppm (1) |
| 효자동 | 2026-03-26 22:00:00 | 32.0㎍/㎥ (2) | 22.0㎍/㎥ (2) | 0.4ppm (1) | 0.048ppm (2) | 0.005ppm (1) | 0.007ppm (1) |