| Hashtag | Frequency in past 7 days |
| covid19 | ███████████████████ |
| scicomm | ██████████████ |
| olympics | ████████ |
| climate | ███████ |
| science | ███████ |
| deltavariant | ██████ |
| climatecrisis | █████ |
| climatechange | ████ |
| paleontology | ███ |
| nauka | ███ |
| conservation | ███ |
| sarscov2 | ███ |
| simonebiles | ███ |
| vaccination | ███ |
| vaccinated | ███ |
| covidvaccine | ███ |
| longcovid | ███ |
| publichealth | ███ |
| unvaccinated | ███ |
| cuomo | ██ |