Journal Abbreviation: HNO
Journal ISSN: 0017-6192
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2025 (2026 update) | 0.9 | - | 1289 |
| 2024 | 1.3 | - | 1461 |
| 2023 | 0.8 | - | - |
| 2022 | 0.9 | - | 1403 |
| 2021 | 1.330 | - | 1656 |
| 2020 | 1.284 | 180 | 1608 |
| 2019 | 1.000 | 124 | 1164 |
| 2018 | 0.914 | 110 | 1154 |
| 2017 | 0.893 | 136 | 1295 |
| 2016 | 0.723 | 118 | 1072 |
| 2015 | 0.852 | 96 | 1095 |
| 2014 | 0.580 | 88 | 947 |
| 2013 | 0.538 | 122 | 953 |
| 2012 | 0.420 | 146 | 906 |