| Toxic Organic Pollutants Impact | Lifetime | 9 | CN 1 | 99.92 |
| Air Quality and Health Impacts | Lifetime | 32 | CN 9 | 99.88 |
| Environmental Quality and Pollution | Lifetime | 4 | CN 3 | 99.47 |
| Vehicle emissions and performance | Lifetime | 34 | CN 13 | 99.66 |
| Effects and risks of endocrine disrupting chemicals | Lifetime | 75 | CN 11 | 99.38 |
| Atmospheric chemistry and aerosols | Lifetime | 155 | CN 22 | 99.60 |
| Heavy metals in environment | Lifetime | 168 | CN 37 | 99.20 |
| Energy and Environment Impacts | Lifetime | 98 | CN 20 | 99.00 |
| Microplastics and Plastic Pollution | Lifetime | 154 | CN 46 | 98.76 |
| Pesticide and Herbicide Environmental Studies | Lifetime | 166 | CN 20 | 98.12 |
| Microbial bioremediation and biosurfactants | Lifetime | 141 | CN 14 | 98.25 |
| Pharmaceutical and Antibiotic Environmental Impacts | Lifetime | 368 | CN 98 | 98.33 |
| Environmental Toxicology and Ecotoxicology | Lifetime | 383 | CN 33 | 97.97 |
| Air Quality Monitoring and Forecasting | Lifetime | 598 | CN 135 | 96.84 |
| Remote Sensing and Land Use | Lifetime | 736 | CN 471 | 95.68 |
| Water Quality Monitoring and Analysis | Lifetime | 818 | CN 155 | 95.36 |
| Water Quality and Pollution Assessment | Lifetime | 615 | CN 90 | 95.75 |
| Recycling and Waste Management Techniques | Lifetime | 873 | CN 220 | 95.06 |
| Per- and polyfluoroalkyl substances research | Lifetime | 412 | CN 107 | 93.11 |
| Environmental Justice and Health Disparities | Lifetime | 470 | CN 10 | 85.63 |
| Environmental Chemistry and Analysis | Lifetime | 735 | CN 88 | 85.34 |
| Environmental Policies and Emissions | Lifetime | 392 | CN 28 | 77.32 |
| Sustainability and Ecological Systems Analysis | Lifetime | 610 | CN 136 | 70.72 |
| Air Quality and Health Impacts | 2021-2025 | 36 | CN 20 | 99.56 |
| Atmospheric chemistry and aerosols | 2021-2025 | 60 | CN 44 | 99.21 |
| Vehicle emissions and performance | 2021-2025 | 50 | CN 35 | 98.26 |
| Toxic Organic Pollutants Impact | 2021-2025 | 58 | CN 27 | 98.17 |
| Energy and Environment Impacts | 2021-2025 | 229 | CN 60 | 96.03 |
| Heavy metals in environment | 2021-2025 | 560 | CN 290 | 92.71 |
| Air Quality Monitoring and Forecasting | 2021-2025 | 501 | CN 262 | 90.22 |
| Atmospheric and Environmental Gas Dynamics | 2021-2025 | 829 | CN 246 | 91.09 |
| Climate Change and Health Impacts | 2021-2025 | 937 | CN 260 | 87.74 |
| Environmental Justice and Health Disparities | 2021-2025 | 327 | CN 25 | 61.79 |
| COVID-19 impact on air quality | 2021-2025 | 640 | CN 126 | 62.38 |
| Electromagnetic Launch and Propulsion Technology | 2021-2025 | 583 | CN 408 | 48.55 |
