Health: exposure measured where people live: its learning paths and standards. The loop, step by step: 1. A valley site at first light. 2. Sensor, link, edge and console stand ready. 3. Cloud and wind sweep up the valley. 4. The station and the vault register it. 5. Time and place are fixed to every sample. 6. Signed packets hop over the radio link. 7. Relays carry the packets without reading them. 8. The edge verifies every signature first. 9. The edge model checks it against its limit. 10. Only a confirmed result leaves the edge. 11. The alert reaches the operator console. 12. The console shows the evidence with the alert. 13. The whole chain is archived for audit. 14. Everything settles back to idle.
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A valley site at first light
Nexus Observatory/
Health/
ResourcesLearning paths, the standards cited across this site and the explainers that show the systems in 3D.
Plan a deploymentUse casesOpen the explainerHealth · Resources
Exposure, measured where people live
Air quality, heat and water monitoring for public-health programmes, exposure data aligned with the places it affects, and connectivity for clinics at the edge of the network. Needs: fine particles and ozone, heat and humidity, drinking-water quality, conditions for disease vectors and connectivity for clinics.
Story
City block
A worked story shows how a health deployment runs end to end, from the instruments and the radio to the edge, the console and the people who act on the result. Each story names its sources and the standards it relies on.
Read the storiesStory
Desert dust
A worked story shows how a health deployment runs end to end, from the instruments and the radio to the edge, the console and the people who act on the result. Each story names its sources and the standards it relies on.
Read the storiesWhat must be measured
Health: what must be measured
Fine particles and ozone, heat and humidity, drinking-water quality, conditions for disease vectors and connectivity for clinics. Each is measured by instruments sited to recognised practice, read by a base node that stamps, checks and signs every value. The quality flag and the provenance travel with the data, so a decision can be traced to the reading behind it.
Trust
Every node proves what it is
A node joins only after its hardware root of trust answers an attestation challenge. Keys stay in secure hardware, software arrives signed, and every reading carries a signature, so its origin can be checked by anyone downstream without asking us.
Time and place
Every reading carries when and where
Readings are stamped against a disciplined clock, from satellite time or a PTP grandmaster, together with the station position and its siting record. When time or position is degraded, the record says so instead of hiding it, and every analyst downstream sees the same warning.
How it scales
One base unit, repeated
A programme starts with one base node and the instruments it reads. A station adds power and radio, a site adds a relay, a fleet repeats the proven site across many places, and a network federates fleets through edge and core. Capacity grows by adding units, never by replacing what works.
Updates
Updates in rings, with rollback
Software and configuration reach the fleet in rings: a canary site first, then a few, then all, each ring gated on health and data completeness. A failed gate stops the wave and returns each node to its last good release, without a site visit.
Operations
Every node watched, every incident closed
The operations console shows every node with its state, its plan and its evidence. Alerts arrive with their data and a runbook; acknowledging one opens a work order, and an incident closes only when the cause is recorded and the fix verified.
Field service
One crew, from survey to repair
The same crew surveys, installs, commissions, calibrates and repairs, working from the site’s own record. Each visit updates it, so the next crew knows exactly what is there, when it was last checked and why it was changed. Spares and references are planned from that history.
Failure and recovery
When a node fails, the fleet knows first
When a node goes silent or a sensor drifts, the node buffers its data, fails over to a second link where one exists, and the alert carries the evidence a responder needs. Nothing is lost and nothing is counted twice.
What you get
Environmental exposure monitoring for health programmes
Heat, air and water exposure measurements around facilities and communities; no diagnosis or treatment. Delivered as managed service and data licence, for health authorities, hospital networks, employers. Scale: City to national. Service levels are written as numbers you can measure on your own dashboard.
Talk to salesNext step
Plan a health deployment
Tell us the sites, the measurements and the people who will use them. We reply with a design and a scope for health. An engineer replies with a survey proposal and a scope, and the plan grows from one site to the network you need, at your pace.
Plan a deploymentOpen the StudioRead the stories
01Learning paths
From first principles to a commissioned site.
01
Academy
The principles of observation, the protocol and the lifecycle of a site.Start learning →
02
Training and enablement
Operator, crew and engineer training on the systems you own.The training platform →
03
Explainers
The systems in 3D, chapter by chapter, drawn to scale.Open the explainer →
02Standards
The standards cited on this site.
- OGC SensorThings API 1.1
- Municipal open-data terms
- EU Directive 2024/2881 (ambient air quality)
- CEN/TS 17660 (sensor systems)
- US EPA FEM/FRM reference methods
- OASIS CAP 1.2 (outbound alerts)
- NWCG RAWS standards
- NFPA 1600
- 3GPP Rel-16/17 URLLC
- ISO 17757 (autonomous mining machinery safety)
- GISTM (tailings)
- ISA/IEC 62443
- Regulation (EU) 2024/1787
- OGMP 2.0 reporting levels
- FAIR data principles
- WMO hydrological observing practices
- National gauge standards
- ICOS and eLTER quality levels
- netCDF/CF
- OGC SensorThings API
03Explainer and stories
See it at work.
The industry in 3D, and field stories with the systems in each and the sources behind them.
ExplainerHealth, explained
Exposure, measured where people live.Open the explainer →Dense city blockThe instrumented street
Four city blocks, read as an observing system: small cells on street poles, air-quality and heat sensors beside them, and an edge node that corrects, times…Read the story →Desert and dustDust, heat and the solar field
In deserts, dust is weather. It reaches cities as air pollution, crosses oceans, and settles on solar panels: soiling cost global solar output at least…Read the story →04Terms
What people search for in this industry.
air quality sensor networklow-cost sensor calibrationhyperlocal air qualityurban heat island sensorsflood sensorssmart city LoRaWANopen data portal integrationmethane monitoring regulationcontinuous emissions monitoringbiodiversity MRVeddy covariance towerwater quality telemetrycarbon credit monitoringBring us the site.
Survey, design, deployment and operation for health. The form names who receives your details.
Talk to usPlan a deployment