30-Day Map Challenge

Entries into the #30DayMapChallenge from the Masters of Urban Spatial Analytics program at the University of Pennsylvania's Weitzman School of Design

2025
1 - Points
MUSA Students Universities by Elizabeth Delmelle
Special Trees in Amsterdam by Luciano
Point Map - UPenn and Penn Health Core Facilities Map by Zhanchao Yang
2 - Lines
The Bagua City Street Pattern of Tekes, Xinjiang by Luciano
Line Map - US County Migration Interactive Map by Zhanchao Yang
3 - Polygons
Where do MUSA students come from part 2 by Elizabeth Delmelle
Residential and Mixed-Use Zoning of Philadelphia, Pennsylvania by Jingqi Lu
Polygon Map - Population Density Map of Philadelphia Census Tracts by Zhanchao Yang
4 - My Data
The Books I read in 2025 by Elizabeth Delmelle
Tracing My Global Footprints by Jingqi Lu
My Spatial Footprint Across US by Zhanchao Yang
5 - Earth
Iceland Terrain and Major Rivers by Jingqi Lu
Pennsylvania • Shaded Relief (USGS 3DEP) by Zhanchao Yang
6 - Dimensions
Philadelphia Neighborhoods Mapped by Multidimensional Similarity by Elizabeth Delmelle
Golden Gate Elevation in 3D Hexagons by Jingqi Lu
Berlin 3D Population Density Map by Zhanchao Yang
7 - Accessibility
Chicago Road Accessibility by Foodbank Coverage (500 m) by Jingqi Lu
Midday vs. Rush Hour Accessibility from Weitzman School of Design by Zhanchao Yang
8 - Urban
Utrecht City Sprawling: Building Age Composition by Jingqi Lu
Seattle Network Map by Zhanchao Yang
9 - Analog
Hydraulic Structure of the Polder System in the Jianghan Plain and Yangtze River Basin by Jingqi Lu
Binghamton University Hand-drawing Map by Zhanchao Yang
10 - Air
Air Traffic Network from Cairo International Airport (CAI) by Jingqi Lu
US Flight Routes Map - October 2024 by Zhanchao Yang
11 - Minimal map
Russia Railways: Network of Steel Arteries by Jingqi Lu
Pedestrian Crashes in University City, Philadelphia (2014–2024) by Zhanchao Yang
12 - Map from 2125
Caspian Sea 2025→2125: Retreating Shorelines by Jingqi Lu
Philadelphia 2125 by Zhanchao Yang
13 - 10 minute map
Africa Population Density — 10-Minute Map by Jingqi Lu
Landsat 8 Imagery of Philadelphia by Zhanchao Yang
14 - OpenStreetMap
Seoul — Convenience Stores by Brand (OSM) by Jingqi Lu
Cafe Hotspot in Philadelphia by Zhanchao Yang
15 - Fire
Southeast Asia — Recently Active Volcanoes by Jingqi Lu
Wildfire Risk Scores in California by Zhanchao Yang
16 - Cell
Beijing — A Student’s 2008 Activity Space by Jingqi Lu
Work-From-Home Share in Philadelphia by Zhanchao Yang
17 - A new tool
Confessional Patchwork of Early Modern Central Europe by Jingqi Lu
Bivariate Diabetes and Obesity Map by Zhanchao Yang
18 - Out of this world
New Columbria – An Imaginary New World by Jingqi Lu
AI Mental Map by Zhanchao Yang
19 - Projections
Place Size Comparisons by Mjumbe Poe
The World on the Peirce Quincuncial Projection by Zhanchao Yang
20 - Water
Delaware Hydrology by Zhanchao Yang
21 - Icons
Medium and Large Airports in Middle States by Zhanchao Yang
22 - Natural Earth
Mean Annual Temperature (1970–2000) by Zhanchao Yang
23 - Process
Creating a Population Density Choropleth Map in R (Tutorial) by Zhanchao Yang
24 - Places and their names
US Places Named After European Cities by Zhanchao Yang
25 - Hexagons
US State Income vs Education Attainment Hexagons Map by Zhanchao Yang
26 - Transport
Chicago 'L' Transit Network by Zhanchao Yang
27 - Boundaries
U.S. Time Zone Boundaries by Zhanchao Yang
28 - Black
Nighttime Lights (Canada): February 5, 2021 by Zhanchao Yang
29 - Raster
Land Cover in Philadelphia, PA (NLCD 2019) by Zhanchao Yang
30 - Makeover
Child Traffic Fatalities by State (2022) by Zhanchao Yang
2024
1 - Points
Day 1 | points by Jiatong Su
Population Distribution of Philadelphia by Jingmiao Fei
Parks in California by Emma Witanowski
Pointless Points — Condominiums in Singapore beginning with D' by Byron Huang
Oh the Places I've Lived by Elizabeth Delmelle
Where to Visit Pandas in U.S. by Hao Zhu
Where to Savor Yum Cha Around Sun Yat-Sen University? by Luming Xu
Points by Sarah Curry
Which Cities Have The Best Public Transit in 2023? by Tutut Indriaty
Dams in the Mekong by Wei Jing Ang
Savannah City Power Street Lights Map by Jun, Youngsang
2 - Lines
The Delaware River by Jingmiao Fei
Snake River by Emma Witanowski
Bike Friendly Streets of Philadelphia by Akira Di Sandro
Lengthy Lines — Longest Bus Routes in Singapore by Byron Huang
GPS Track of Run by Elizabeth Delmelle
A Real Garden City?! Roads of Guangzhou University City by Luming Xu
Lines by Sarah Curry
The Amazon River Basin by Wei Jing Ang
3 - Polygons
Philadelphia County Political Wards by Akira Di Sandro
Playful Polygons — Preschool Density in Singapore by Byron Huang
Income Landscape of 6 US Cities by Elizabeth Delmelle
Commuting Infrastructure Usage in King County by Hao Zhu
Day 3 | polygon by Jiatong Su
Polygons by Sarah Curry
Home Vacancy in NYC by Sean Koh
4 - Hexagons
Homely Hexagons — Public Housing Density in Singapore by Byron Huang
California Ozone Concentrations in 2015 by Hao Zhu
day 4 | hexagon by Jiatong Su
Where do Hong Kong people live in California? by Luming Xu
Hexagons by Sarah Curry
Pothole Hotspots in Brooklyn by Sean Koh
Water withdrawals by state in 2015 by Wei Jing Ang
5 - A journey
A hike to Greenwich, London by Xian Lu, Lee
My Winter Vacation '22-'23 by Akira Di Sandro
The Road to the American Dream by Amy Solano
Jittered Journeys — Travel chaos along the East West Line (September 2024) by Byron Huang
My Life's Journy So Far by Elizabeth Delmelle
Offline TV's Pokemon Journey by Ji Jin (Jack) Chen
Journey by Sarah Curry
A Tour Around Manhattan, NYC by Sean Koh
The Path of a U.S. Army Career by Jun, Youngsang
6 - Raster
Canopy Change in Alaska by Emma Witanowski
Elevation of Orange County New York by Elizabeth Delmelle
Day 6 | Raster by Jiatong Su
The Central Park Squirrel Census by Sean Koh
The Amazon River's floodplain lakes by Wei Jing Ang
7 - Vintage style
Historic Bison Range by Emma Witanowski
Transient Tramways — An Attempt at a Vintage Style Map of Singapore's First and Only Tramways by Byron Huang
Seagull Island by Luming Xu
Dams in the Mekong by Wei Jing Ang
8 - HDX
DRC Healthzones and Political Violence Bivariate Map by Akira Di Sandro
2020 Population Density of the Greater Bay Area by Luming Xu
9 - AI only
AI by Ji Jin (Jack) Chen
10 - Pen & paper
Buildings of University College London by Xian Lu, Lee
My Childhood Map (Bupyeong-gu, Incheon, Korea) by Jun, Youngsang
11 - Arctic
Arctic Sea Ice Extent by Emma Witanowski
Polar Bear Habitat Distribution in the Arctic by Hao Zhu
Arctic by Ji Jin (Jack) Chen
Motorcycle Casualties in Hong Kong, 2018 by Jiatong Su
12 - Time and space
Warehouses in the Inland Empire, 2013-2023 by Amy Solano
Territorial Changes of the Qing Dynasty by Jiatong Su
Time and Space by Sarah Curry
Growing hydropower in Laos in the Mekong Basin by Wei Jing Ang
The Beginning of Roman Catholicism in Korea by Jun, Youngsang
13 - A new tool
New Tool by Akira Di Sandro
3D River in Japan by Ji Jin (Jack) Chen
14 - A world map
World Map by Population by Jiatong Su
Do All Countries Use Street Addresses? by Jun, Youngsang
15 - My data
Gila Monster Locations by Emma Witanowski
Exploring Washington, DC: Places I Visited on Oct. 03-04 During Fall Break by Hao Zhu
Countries I have been to by Ji Jin (Jack) Chen
Potential Innovation Districts in Shenzhen, China by Luming Xu
16 - Choropleth
Percentile of Diesel Particulate Matter Emissions by Amy Solano
Clinical Choropleth — Density of CHAS GP Clinics by Planning Area (Weighted by Population) by Byron Huang
Internet Usage by Hao Zhu
Income and Percentage of White Population in 2022 by Jiatong Su
Water usage and household size in Pennsylvania by Wei Jing Ang
Median Household Income and Travel Time to Work Pattern in Three Eastern Cities by Jun, Youngsang
17 - Collaborative
Hurricane Frequency by Emma Witanowski
Cuisine Collaboration — How food can bring two cities across the world together by Byron Huang and Sean Koh
18 - 3D
Curuai Lake in the Amazon by Wei Jing Ang
19 - Typography
Ramen Stores on Robson by Ji Jin (Jack) Chen
20 - OSM
Embassies Everywhere — Diplomatic Missions and Embassies in Singapore (OSM) by Byron Huang
Exploring Historic Sites in Philadelphia with OpenStreetMap by Jun, Youngsang
21 - Conflict
Conflict by Akira Di Sandro
Disappointing Disagreements — High Speed Rail in Singapore by Byron Huang
Conflict in the built environment in NYC by Sean Koh
22 - 2 Colors
Navigating Berlin by Emma Witanowski
Two Colors by Akira Di Sandro
Hand in Hand: Where Education and Income Follow Similar Paths in Michigan Counties by Hao Zhu
European Union Map by Jiatong Su
Building Permits Issued in NYC by Sean Koh
Veteran Population Share in U.S. Cities by Jun, Youngsang
23 - Memory
Missing Memories — The Disappeared Railways of Singapore by Byron Huang
24 - Circular shapes
Air Pollution in NYC by Sean Koh
Curuai Lake in the Amazon by Wei Jing Ang
Fare Recovery Ratio of U.S. Transit Agencies in 2009-2019 by Jun, Youngsang
25 - Heat
Mapping Heat by Emma Witanowski
Area Burnt by Wildfire in Africa, 2024 by Hao Zhu
Density of Shooting Victims in Philadelphia, 2023 by Jiatong Su
Philadelphia 2024 Crime Incidents Heat Map by Jun, Youngsang
26 - Map projections
Map Projections by Akira Di Sandro
Going cross-eyed! by Sean Koh
Spilhaus Projection by Wei Jing Ang
27 - Micromapping
Memorial West Park, Vancouver by Ji Jin (Jack) Chen
28 - The blue planet
Hydrology of Nepal by Emma Witanowski
The Great Lakes by Akira Di Sandro
The blue planet — Reliable Reservoirs — Where Rainfall in Singapore Ends Up by Byron Huang
Drake Passage by Ji Jin (Jack) Chen
29 - Overture
Overture Maps by Akira Di Sandro
Buildings by height - Vancouver, using Overture by Ji Jin (Jack) Chen
Philadelphia Chinatown by Luming Xu
30 - The final map
Runeterra by Ji Jin (Jack) Chen
Missing. by Sean Koh
2023
1 - Points
Baseball2023 by Elizabeth Delmelle
World Series Appearances by Elizabeth Delmelle
Interactive Map of US National Parks by dave drennan
What's Rockville eating? by Anna Duan
Ward 39 Division 27 Trick-or-Treats by Mjumbe Poe
2023 - A Year of Minor Intensity Earthquakes by Timothy Oliver
2 - Lines
Locust trees on Spruce street?! by Anna Duan
74 Hectares of Green by Timothy Oliver
Lines by Samriddhi Khare
3 - Polygons
MLB Stadium Drivetimes by Elizabeth Delmelle
A century of migration: NYC population density 1910-2020 by Anna Duan
4 - A bad map
Philadelphia Fatal Car Crashes by Anna Duan
Route to the Americas - The Bering Strait by Timothy Oliver
6 - Asia
MLB Players from Asia by Elizabeth Delmelle
Across from Hong Kong by Anna Duan
7 - Navigation
2020 in Flights by Anna Duan
9 - Hexagons
World Series Appearances by State by Elizabeth Delmelle
Hexagons by Samriddhi Khare
10 - North America
American Manatee Habitats by Anna Duan
11 - Retro
The Wire Season 1 by Anna Duan
Retro by Samriddhi Khare
12 - South America
South American Baseball Players by Elizabeth Delmelle
13 - Choropleth
Pitbulls and Goldendoodles, oh my! by Anna Duan
Most Common Census Racial Classification of Adults, by Block Group (interactive) by Mjumbe Poe
Active Github Users as of <Insert Time> by Timothy Oliver
Chloropleth by Samriddhi Khare
14 - Europe
Parc Monceau & Beyond by Anna Duan
16 - Oceania
Maungawhau Volcano Elevation by Anna Duan
17 - Flow
Biggest cities on the Mississippi River by Anna Duan
BlueBikes Bike Share Trips in Boston Metro Area durring the week of July 10 - July 14th 2023 by Richard Barad
18 - Atmosphere
Atmosphere by Samriddhi Khare
19 - 5-minute map
5 Minute Trial by Water by Timothy Oliver
20 - Outdoors
Dreaming of a White Christmas by Anna Duan
Pennsylvania Parks and Preserves by Timothy Oliver
Outdoors by Samriddhi Khare
21 - Raster
The High Points of the Meuse River Valley (m) by Timothy Oliver
Raster by Samriddhi Khare
23 - 3D
2023 Earthquakes - Graduated by Timothy Oliver
24 - Black & white
The Island in the Grid by Timothy Oliver
Black and White by Samriddhi Khare
25 - Antarctica
Minimal by Samriddhi Khare
26 - Minimal
rivers by Dave Drennan
Earthquake Free to Earthquake Filled States by Timothy Oliver
27 - Dot
Working from Home by Anna Duan
Dot by Samriddhi Khare
29 - Population
World Populations by Dave Drennan
PA Barnyard Census 1850 by Anna Duan
30 - "My favorite..."
Philly oxtail restaurants by Anna Duan