#EarthDay2021 on X: trending history
#EarthDay2021 has trended in 38 locations since 21 April 2021. It was last on a list 23 April 2021.
First seen
21 Apr 2021
Last seen
23 Apr 2021
Locations
38
Best rank
–
Biggest days
| 21 Apr 2021 | 1 location | |
| 22 Apr 2021 | 38 locations | |
| 23 Apr 2021 | 5 locations |
Every time it trended
List updates per year, all locations.
2021
44 updates, 3 days
Post volume on its busiest days
Highest volume recorded with the trend; 3 days have a figure.
- 23 April 2021406,001 posts
- 22 April 2021371,774 posts
- 21 April 202112,261 posts
From twtData's records of X trends in 450+ locations: the biggest countries every hour, the rest once a day. An "update" is one snapshot that listed this topic. Rank and hours on the lists count from November 2025, when our snapshots started keeping X's order; earlier days count only for locations and dates.