Evidence-led environmental health · Beacon

See what your environment is actually doing.

Healthcare environments change when people, procedures, equipment, airflow, and building systems interact. Beacon by OnSite Scientific helps organizations measure and understand environmental conditions in real-world healthcare spaces so decisions can be grounded in what is actually happening.

OnSite Environmental Suite showing a centered PM5 room heat map beside an interpolated airflow visualization
OnSite Scientific · Advanced Environmental Quality IndexingRoom-level environmental visualization
Environmental intelligence

The room changes when care begins.

Building specifications and commissioning information matter. They do not always show how the environment behaves once people, procedures, equipment, airflow, and normal operations begin interacting inside the space.

Air

Evaluate airflow, distribution, velocity, pressure, and related environmental conditions where those measurements are part of the assessment.

Particles

Map measured particulate conditions across a room and compare how conditions vary by location and height.

Microbiology

Incorporate environmental and clinical microbiology methods where the engagement calls for microbial assessment.

Operations

Understand findings in the context of people, procedures, equipment, room configuration, and building-system behavior.

Room mapping

Map the room, not just the average.

Beacon by OnSite shows environmental measurements visualized across a room grid and at multiple heights. That makes spatial variation visible, including areas that may look very different from a single room-average value.

OnSite Environmental Suite with side-by-side PM5 heat map and airflow visualization
OnSite Environmental Suite: side-by-side environmental visualization and airflow mapping.
Beacon systems

The right level of testing for the question being asked.

Beacon by OnSite is a program built around spatial measurement, airflow understanding, analysis, and interpretation rather than a single standalone sensor.

Environmental visualization

Advanced Environmental Quality Indexing

Room mapping can turn measured conditions into spatial views across the room and across measured heights, making variation easier to see and discuss.

Room-grid heat mapsMultiple measurement heightsExamples shown for temperature, TVOC, PM5, and MoldIndex
Airflow mapping

Directional airflow visualization

OnSite shows interpolated three-dimensional airflow plots that place directional vectors within a mapped room and can display a room resultant.

Room-coordinate airflow mappingInterpolated directional vectorsVisualization alongside environmental quality maps
Analysis and reporting

Environmental Suite

The OnSite Environmental Suite brings visualization into a broader workflow that includes data collection, environmental analysis, reports, project archive, and thresholds.

Side-by-side environmental comparisonProject-based visualizationReporting and analysis workflow
Published Beacon framework: OnSite's published BEACON materials describe the broader program around prevention, identification, and mitigation, with analytics used to help teams recognize trends, investigate adverse conditions, and focus improvement work.
Research behind the approach

More than one number defines an environment.

Beacon by OnSite's Environmental Quality Indicator methodology was developed to assess multiple factors influencing healthcare air quality during dynamic mock procedures. Published EQIs have included temperature, humidity, particle load, microbial contamination, pressurization, air velocity, and air distribution.

A single specification can be important without being the whole picture. Environmental performance reflects multiple interacting conditions, and those conditions can change once the room is in use.

Explore the research
Temperature & humidityThermal and moisture conditions within the tested space.
ParticlesMeasured particulate conditions at defined locations.
Microbial contaminationEnvironmental microbiology where included in the protocol.
PressurizationPressure relationships relevant to the room and adjacent spaces.
Air velocityMeasured movement of air at relevant locations.
Air distributionHow supplied air moves through and across the environment.
Where Beacon fits

Built for environments where conditions matter.

OnSite's public research and Beacon materials focus heavily on spaces where environmental quality and operational conditions are consequential.

Operating Rooms

Study environmental quality and airflow in spaces where sterile fields, procedural activity, equipment, and ventilation systems interact.

Procedure Spaces

Evaluate environments where procedures place additional demands on airflow, room configuration, and environmental controls.

Intensive Care Environments

OnSite has published EQI research examining ICU rooms through unoccupied, occupied, and emergency procedure modes.

Other Critical Healthcare Spaces

Other controlled or patient-care environments may be appropriate when the environmental question and testing methodology fit the space.

Education

Evaluate environmental conditions in learning, research, or institutional spaces when the testing methodology is appropriate to the question.

Manufacturing

Assess environmental conditions in controlled production or operational spaces when the testing scope and methodology fit the environment.

The EvidentWorks standard

Measure. Understand. Decide.

Beacon fits the EvidentWorks standard by connecting evidence, environmental measurement, real-world operating conditions, engineering performance, transparency, and interpretation.

The point is not simply to collect data. It is to make better-informed environmental-health decisions about what a space is doing, what deserves attention, and what should happen next.

Evidence is our minimum standard.

Environmental information is most useful when it is measured appropriately, interpreted in context, and connected to the actual decision in front of the organization.

Evidence and environmental measurementReal-world operating conditionsEngineering and operational contextTransparency about limitationsInterpretation before actionOngoing learning after changes are made
Beacon Environmental Testing

What is your critical environment telling you?

If you're evaluating an operating room, procedure space, critical-care environment, ventilation strategy, environmental concern, or planned facility improvement, start with the question you need the environment to answer.

Tell us about the space, the concern, and what you need to understand.

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Turning evidence into healthier environments.

We bring together science, practical insight, and credible solutions to help create healthier places to heal, learn, work, and live.