| 측정소 | 데이터시간 | 미세먼지 | 초미세먼지 | 이산화탄소 | 오존 | 이산화황 | 이산화질소 |
| 호수동 | 2026-03-18 12:00:00 | null㎍/㎥ (null) | null㎍/㎥ (null) | nullppm (null) | nullppm (null) | nullppm (null) | nullppm (null) |
| 호암동 | 2026-03-18 12:00:00 | 53.0㎍/㎥ (2) | 44.0㎍/㎥ (3) | 0.8ppm (1) | 0.026ppm (1) | 0.002ppm (1) | 0.02ppm (1) |
| 홍도 | 2026-03-18 12:00:00 | 28.0㎍/㎥ (1) | 25.0㎍/㎥ (2) | 0.3ppm (1) | 0.06ppm (2) | 0.002ppm (1) | 0.005ppm (1) |
| 홍릉로 | 2026-03-18 12:00:00 | 43.0㎍/㎥ (2) | 28.0㎍/㎥ (3) | 0.5ppm (1) | 0.03ppm (2) | 0.003ppm (1) | 0.025ppm (1) |
| 홍성읍 | 2026-03-18 12:00:00 | 62.0㎍/㎥ (2) | 59.0㎍/㎥ (3) | 0.6ppm (1) | 0.03ppm (2) | 0.005ppm (1) | 0.016ppm (1) |
| 홍천읍 | 2026-03-18 12:00:00 | 41.0㎍/㎥ (2) | 33.0㎍/㎥ (2) | 0.4ppm (1) | 0.03ppm (1) | 0.002ppm (1) | 0.014ppm (1) |
| 화도읍 | 2026-03-18 12:00:00 | 82.0㎍/㎥ (2) | 61.0㎍/㎥ (3) | 0.5ppm (1) | 0.027ppm (1) | 0.003ppm (1) | 0.02ppm (1) |
| 화랑로 | 2026-03-18 12:00:00 | 43.0㎍/㎥ (2) | 28.0㎍/㎥ (3) | 0.5ppm (1) | 0.033ppm (2) | 0.002ppm (1) | 0.03ppm (1) |
| 화북동 | 2026-03-18 12:00:00 | 15.0㎍/㎥ (1) | 9.0㎍/㎥ (2) | 0.3ppm (1) | 0.05ppm (2) | 0.001ppm (1) | 0.009ppm (1) |
| 화북면 | 2026-03-18 12:00:00 | null㎍/㎥ (2) | null㎍/㎥ (2) | nullppm (null) | nullppm (null) | nullppm (null) | nullppm (null) |