— Observatory
Sensing the city
Environmental observation — coming online in Cape Town.
— Cape Town is starting in 2026. We are connected to years of experimentation elsewhere.
Singapore · Global Reference
Citizen sensing embedded in an urban growing environment.
Edible Makerspace — a Singapore-based multidisciplinary collective initiated by maker and technologist Saad Chinoy.
Valldaura Labs · Barcelona · Global Reference
A forest laboratory connecting local materials, fabrication, research and ecological systems.
Valldaura Labs / IAAC
Meaningful Design Group · Bali · Global Reference
Citizen sensing and environmental action — communities reading their own environment.
Meaningful Design Group — design research and make company rooted in Bali, working at the intersection of culture, technology, and ecology.
Norrköping · Sweden · Live Reference
Outdoor air quality monitoring in a northern European city — cold climate, clean air, and a long winter.
TwinAIR — Linköping University research project on urban air quality and digital twins.
Barcelona · Spain · Live Reference
Street-level sensing in the Raval neighbourhood — Mediterranean heat, urban density, and public space.
Atalonica — Plaça dels Angels (MACBA), Barcelona.
Cape Town · South Africa · Coming Online
Cape Town is starting in 2026 — connected to years of experimentation elsewhere.
Fab City Cape Town — node in development.Live from the network
Reference nodes · Smart Citizen
This is not Cape Town data. It shows what the global Smart Citizen network looks like in practice — and what our Cape Town nodes will contribute once online.
Live · Smart Citizen
Singapore
Kit #18929 · smartcitizen.me
Temperature
Humidity
PM2.5
CO₂
Noise
Light
Live · Smart Citizen
Bali, Indonesia
Device #19236 · smartcitizen.me
Temperature
Humidity
PM2.5
CO₂
Noise
Light
Live · Smart Citizen
Norrköping, Sweden
Device #19697 · TwinAIR / Linköping University
Temperature
Humidity
PM2.5
CO₂
Noise
Light
Live · Smart Citizen
Barcelona, Spain
Device #16559 · Atalonica / Placa dels Angels
Temperature
Humidity
PM2.5
CO₂
Noise
Light
— Cape Town — coming online
Our nodes are being developed
ARC of Franschhoek
Franschhoek, Western Cape
Temp
—
Humidity
—
PM2.5
—
Noise
—
Menzies Design Lab Node
Menzies Design Lab, UCT
Temp
—
Humidity
—
PM2.5
—
Noise
—
Future Nodes
Western Cape
Temp
—
Humidity
—
PM2.5
—
Noise
—
— Meshtastic
Off-grid mesh networking
The ARC
Franschhoek · Planned
Temp
18.7C
Humidity
64%
Signal
-91 dBm
UCT / Menzies
Rondebosch · Planned
Temp
20.1C
Humidity
61%
Signal
-87 dBm
Cape Town
Urban node · Planned
Temp
21.4C
Humidity
58%
Signal
-84 dBm
Stellenbosch
Future node
Temp
—
Humidity
—
Signal
—
Paarl
Future node
Temp
—
Humidity
—
Signal
—
Khayelitsha
Future node
Temp
—
Humidity
—
Signal
—
— Digital Twin
A living model of the city
Air + Climate
Prototype layer
Water
In development
Material Flows
Research
Energy
Future layer
Soil / Landscape
In development
ARC of Franschhoek
Air temperature
18.7 C
Relative humidity
64%
Rainfall today
3.4 mm
Soil moisture
31%
Dam level
72%
Mesh status
CONNECTED — DEMO
Cape Town Urban Node
Air temperature
21.4 C
Relative humidity
58%
PM2.5
12 ug/m3
Noise
53 dBA
Wind speed
14 km/h
Mesh status
CONNECTED — DEMO
— Open Data