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#30DayChartChallenge @30daychartchall.bsky.social · 06/05/2026

Thank you to everyone who contributed to this year’s #30DayChartChallenge 🏆 It was wonderful to see so many of you participate, share your #dataviz, discuss charts, data sources, and tools, and celebrate one another’s work 🫶 We’d be thrilled to welcome you back next April 🚀 #DataVisualization 📈📊

A banner of this year's #30DayChartChallenge with a "thanks to all contributors and followers from the team!" and the invitation to "see you next year!"

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#30DayChartChallenge @30daychartchall.bsky.social · 31/03/2026

Just one day - or, depending on your timezone maybe just a few hours - until the next #30DayChartChallenge kicks off. 🚀 1 prompt for each day of April across 5 categories to spark inspiration, experimentation, and learning. 📊 Who's in? 👀 #dataviz #datavisualization

A banner with the prompts for the 6th edition of the 30DayChartChallenge

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#30DayChartChallenge @30daychartchall.bsky.social · 18/03/2026

Are you ready for the next #30DayChartChallenge? 🚀 Only 2 weeks left until the 6th edition starts — it’s time to reveal this year's topics 🎉 1 prompt for each day of April across 5 categories to spark inspiration, experimentation, and learning 📊 Who’s in? 👀 #dataviz #datavisualization

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#30DayChartChallenge @30daychartchall.bsky.social · 01/05/2025

We're happy to see so many charts shared on Bluesky. ♥️ So, we prepared a chart, too. It shows the number of contributions for each prompt on Bluesky this year. #30DayChartChallenge

A column chart which shows the number of posts shared for each prompt of the 30DayChartChallenge. The columns are coloured by the category the prompt belongs to. The category with the most contributions is Comparisons (days 1 to 6) with day 1 (Fractions) having the most contributions with 76. The number of posts decreased for the following categories. Day 11 is a peak with the prompt “Birds” (40 posts).
Note: The prompt is determined by the tagged day in the post text in English, Spanish, French and German. If there is no match in the text, the number of the day in the month is used (UTC).

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#30DayChartChallenge @30daychartchall.bsky.social · 01/05/2025

0 days, 30 prompts - it's a wrap! 🎉 Huge thanks to everyone who joined the #30DayChartChallenge - daily, occasionally, or cheering from the sidelines. We're amazed, inspired, and above all, grateful for all the creativity, learning, and sense of community! 💛 #dataviz #datavisualization

A social media tile that reads:

30DayChartChallenge 2025
Thanks to all contributors and followers from the team!
See you next year!

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#30DayChartChallenge @30daychartchall.bsky.social · 31/03/2025

📅 It's almost time! hashtag#30DayChartChallenge kicks off TOMORROW! We've been revealing the prompts bit by bit - now, here’s the full lineup! 🔥 #DataViz #DataVisualization #30DayChartChallenge

All prompts for the 30DayChartChallenge 2025. 5th Edition. April 2025.

Comparison:
* Fractions
* Slope
* Circular
* Big or Small
* Ranking
* Florence Nightingale (theme day)

Distributions:
* Outliers
* Histogram
* Diverging
* Multi-modal
* Stripes
* Data.gov (data day)

Relationships (day 13-18):
* Clusters
* Kinship
* Complicated
* Negative
* Birds
* El Pais (theme day)

Time Series (days 19-24):
* Smooth
* Urbanization
* Fossils
* Stars
* Log scale
* Data day: WHO

Uncertainty (days 25-30)
* Risk
* Monochrome
* Noise
* Inclusion
* Extraterrestrial
* National Geographic (theme day)

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#30DayChartChallenge @30daychartchall.bsky.social · 22/03/2025

10 days left ⏳ until the #30DayChartChallenge kicks off. 🚀 Here are the prompts for the 5th - and last - category: Uncertainty. Let us know if you have any further questions! #dataviz #datavis #datavisualization #challenge #uncertainty

A banner with the prompts for the 5th category: Uncertainty.

25. Risk
26. Monochrome
27. Noise
28. Inclusion
29. Extraterrestrial
30. National Geographic (theme day)

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#30DayChartChallenge @30daychartchall.bsky.social · 21/03/2025

11 days left ⏳ until the #30DayChartChallenge kicks off 🚀 Here are the prompts for the 4th category "Time Series". Let us know if you have any further questions!

A banner with the prompts for the Time Series category:

19 Smooth
20 Urbanization
21 Fossils
22 Stars
23 Log scale
24 Data day: WHO

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#30DayChartChallenge @30daychartchall.bsky.social · 20/03/2025

12 days left ⏳ until the #30DayChartChallenge kicks off 🚀 Here are the prompts for the 3rd category "Relationships" with another theme day—this time it's ElPais News! Let us know if you have any further questions!

t<he banner for the 3rd category "Relationships" with the prompts 13-18:
* Clusters
* Kinship
* Complicated
* Negaive
* Birds
* El Pais (theme day)

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#30DayChartChallenge @30daychartchall.bsky.social · 19/03/2025

13 days left ⏳ until the #30DayChartChallenge kicks off. Are you really prepared? 😁📊📈📉 Here are the prompts for the 2nd category: Distributions More info on Github: github.com/30DayChartCh... Let us know if you have any further questions! #dataviz

A banner with the prompts for the 2nd category: Distributions

07. Outliers
08. Histogram
09. Diverging
10. Multi-modal
11. Stripes
12. Data.gov (data day)

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#30DayChartChallenge @30daychartchall.bsky.social · 18/03/2025

14 days left ⏳ until the #30DayChartChallenge kicks off. Are you really prepared? 😁📊📈📉 Here are the prompts for the 1st category: Comparisons More info on Github: github.com/30DayChartCh... Let us know if you have any further questions! #dataviz

A banner with the prompts for the 1st category: Comparisons

01. Fractions
02. Slope
03. Circular
04. Big or Small
05. Ranking
06. Florence Nightingale (theme day)

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#30DayChartChallenge @30daychartchall.bsky.social · 06/03/2025

Are you ready for the next #30DayChartChallenge? 🚀 April is approaching fast, and we’re gearing up for the 5th edition of our visualization challenge! 📊 New look and creative prompts to spark inspiration, experimentation, learning. We’ll reveal topics very soon, stay tuned! 🎉 Who’s in?

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#30DayChartChallenge @30daychartchall.bsky.social · 01/05/2024

The challenge has come to an end. As every year has been intense and inspiring with many wonderful contributions, we thank you for your participation and hope to see you next year! may the #dataviz be with you📈📊📉#30DayChartChallenge

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#30DayChartChallenge @30daychartchall.bsky.social · 20/03/2024

11 days left ⏳ until the #30DayChartChallenge kicks off. Are you really prepared? 😁📊📈📉 Here are all the prompts for the 30 days. More info on Github: github.com/30DayChartCh... Let us know if you have any further questions! 🙂 #dataviz

A banner with the prompts for the challenge. Create a data visualization based on the daily prompt and share your work with the hashtag #30DayChartChallenge.
Visit the page linked in the post for a list of the prompts.

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#30DayChartChallenge @30daychartchall.bsky.social · 16/03/2024

Coming in April! Exciting news! 📊 Get ready for the 4th edition of the #30DayChartChallenge Stay tuned as we unveil the prompts next week. #dataviz

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