Aethair solutions

Hospital & Healthcare Air Quality Monitoring

Real-Time Air Quality Monitoring for Patient Safety

Continuous air quality data for operating rooms, wards, pharmacies, cleanrooms, and IVF labs. Aethair IAQ covers the indoor panel in clinical rooms, and Aethair PRO adds room-to-room differential pressure and gas sensor cartridges where a space needs them. Environet raises the alert when a room drifts, and Aethair Reports documents temperature, humidity, and pressure against ASHRAE 170 for the survey. For a room-by-room breakdown of what to measure, see our guide to hospital air quality monitoring by space.
5core parameters
1device per room
7standards with limits

Schedule a ConsultationBuild a Configuration

Aethair IAQ mounted next to a room number in a clinic hallway, with doctors talking in the background.
Aethair IAQ outside a clinical room

Why it matters

Why Hospital Air Quality Monitoring Matters for Patient Safety

Small changes in the air can compromise patient safety, surgical sterility, pharmaceutical integrity, and sensitive laboratory work. A pressure reversal on a busy shift or a humidity excursion overnight can come and go between spot checks and leave no record. Continuous monitoring watches every critical room and keeps the history.

  • Patient and staff health: airborne risks seen in real time for vulnerable patients and the people caring for them.
  • IVF laboratories: VOCs, pressure shifts, and environmental drift caught before they reach a culture.
  • Cleanrooms and operating rooms: pressurization and particulates watched continuously, not between certifications.
  • The survey record: temperature, humidity, and pressure histories for ASHRAE 170 and accreditation.
  • Trust: an optional live dashboard in the waiting room that shows patients the air is being watched.

What to measure

The Clinical Panel and the Limits That Apply

Five parameters form the core of a clinical program, and others are added for specific rooms. Every limit below is the published value from the standard that sets it, and no single standard covers the whole panel. ASHRAE 170 sets design conditions for each space type, including pressure relationships, air changes, temperature, humidity, and filtration, rather than indoor concentration limits, so it covers the pressure, temperature, and humidity rows. For most spaces, it specifies only the direction of pressurization. For operating rooms, airborne infection isolation rooms (negative), and protective environment rooms (positive), it sets a minimum differential of 0.01 inches of water column (about 2.5 Pa). It also caps relative humidity at 60 percent in most clinical spaces. USP <797> sets a minimum differential of 0.020 inches of water column for sterile compounding. The particle, CO₂, VOC, and formaldehyde limits come from other standards: WELL v2, ISO 14644-1, OSHA, and the WHO indoor guidelines.

The clinical core is PM2.5 (a marker of filtration performance and infection-control air quality), CO₂ (the proxy for ventilation adequacy in occupied wards, waiting rooms, and consulting rooms), temperature and relative humidity (held to the ranges clinical ventilation guidance sets for each room type), and room-to-room differential pressure (the positive- and negative-pressure relationships that protect operating rooms, isolation rooms, and pharmacy cleanrooms). Laboratories and controlled environments extend this with total VOCs and formaldehyde (the contaminants IVF and culture rooms are most sensitive to) and with airborne particle counts where ISO cleanroom classification applies. The right set depends on the space: a general ward needs the indoor parameters, while a surgical suite or fertility laboratory adds pressurization, particle counting, and the contaminant parameters.

15 µg/m³ A01 Air Quality · WELL v2

In clinical settings, PM2.5 is a marker of both infection-control performance and the effectiveness of the high-grade filtration that hospital ventilation relies on. Continuous PM2.5 monitoring in wards, operating rooms, and pharmacy cleanrooms verifies that filtered supply air is keeping fine particles low where vulnerable patients and sterile procedures demand it, and flags a filter or ventilation fault before it becomes a contamination event.

PM2.5: sensors, units, and every standard
50 µg/m³ A01 Air Quality · WELL v2
500 µg/m³ A01 Air Quality (TVOC) · WELL v2
9 ppm A01 Air Quality · WELL v2

Methods and guidance:

The setup

How a Healthcare Monitoring Setup Works

One monitor per room, placed in the occupied breathing zone. A pressurized room adds a differential-pressure reference to its corridor or anteroom.

Because the core indoor parameters can be measured by a single compact monitor, most clinical spaces are covered by one fixed unit placed in the occupied breathing zone, away from supply diffusers and doors that would give unrepresentative readings. It logs continuously into dashboards, alerts, and audit-ready reports. Pressurized and depressurized rooms add a differential-pressure sensor that references the room against its adjacent corridor or anteroom, so a reversed pressure relationship triggers an alarm and staff can act before it becomes a contamination event. Critical rooms, such as operating rooms, isolation rooms, cleanrooms, and cryostorage, are monitored continuously with threshold alerts, while wards and clinics can be covered more sparsely.

The two configurations below are the ones most clinical facilities use. A pressure-controlled room, such as an operating room, isolation room, or pharmacy cleanroom, runs Aethair PRO with the differential-pressure cartridge in its expansion socket, covering the full clinical core. A room without a pressure requirement runs on one Aethair IAQ. To add particle counting or other parameters for a specific clinical space, use Build a Configuration. Both monitors report over their own 4G LTE, so neither needs the hospital network.

Recommended

best match
5 of 5 covered · 1 monitor
  1. Aethair PRO

    Industrial monitor for indoor and outdoor sites. Built-in sensors cover the essentials, and hot-swappable gas sensor cartridges and a differential-pressure option add more.

    Built-inRelative HumidityPM2.5Air Temperature

    Gas 1

    Aethair CO₂ (dual NDIR)

    Carbon Dioxide (CO₂)

    Dual-thermopile NDIR (non-dispersive infrared) sensing measures CO₂ with no chemical consumables, for…

    Also fits: Aethair CO₂ (self-calibrating NDIR)

    Gas 2

    Free: one more gas sensor cartridge

    MultiSense

    Free: a MultiSense, stock or built to order

    Expansion

    Aethair Diff. Pressure

    Differential Pressure

    A gauge sensor reads 0–10 kPa, with the higher-pressure side connected to its port.

    Also measures 10 more
    Dew PointHeat IndexIlluminance / LightParticle Count (by size)PM1PM10Total PM / Mass Conc.Barometric PressureEquivalent Continuous Level (Leq)Sound Pressure Level (SPL)

Recommended

best match
4 of 4 covered · 1 monitor
  1. Aethair IAQ built-in sensors

    Compact plug-in monitor with every sensor built in, nothing to add. Ideal for straightforward indoor air quality monitoring.

    Built-inCarbon Dioxide (CO₂)Relative HumidityPM2.5Air Temperature
    Also measures 9 more
    Formaldehyde (CH₂O)Dew PointHeat IndexParticle Count (by size)PM1PM10Total PM / Mass Conc.Barometric PressureVOC (Total)

Build the pressure-controlled configuration Configure it without pressure

Which monitor

Aethair IAQ for Clinical Rooms, Aethair PRO Where Pressure Matters

Aethair IAQ measures ten indoor parameters and ships with a calibration certificate. Aethair PRO measures particulates, temperature, humidity, and barometric pressure, takes two gas sensor cartridges, and its expansion socket holds the differential-pressure cartridge a pressurized room needs. Thiamis brings instruments you already own into the same account.

Where it runs

Monitoring That Protects What Matters, Room by Room

The same platform adapts to each clinical setting, carrying the parameters that space actually needs.

Hospitals and clinics

Wards, consulting rooms, and waiting areas on the indoor panel, with CO₂ as the ventilation check in occupied rooms.

Surgical centers

Operating rooms held at positive pressure: differential pressure against the corridor, with temperature and humidity, and an alarm the moment the cascade reverses.

IVF labs and culture rooms

Total VOCs, formaldehyde, and particulates, the contaminants embryo culture is most sensitive to, logged around the clock.

Cryopreservation and storage

An oxygen cartridge on Aethair PRO watches for the O₂ displacement a liquid-nitrogen leak causes.

Pharmacies and cleanrooms

Pressure direction, temperature, and humidity, monitored continuously. Where cleanliness classes apply, a dedicated airborne particle counter (such as a Particles Plus unit) connects through Thiamis.

Doctors reviewing an Aethair air quality report at a desk.

What you get

Reports in Seconds, Ready for the Surveyor

Aethair Reports turns the readings into a clear, time-stamped document without manual data review: the trends, the exceedances, and the rooms that need attention. A CMS-2567 healthcare template built on ASHRAE 170 checks humidity, temperature, pressure, and air quality for the survey, and custom limits cover an internal infection-control target. Run a report on demand or schedule it to the compliance officer each month.

Between reports, every reading lands in Environet, where thresholds raise alerts by email, SMS, or webhook the moment a room drifts, and the building automation system or your own applications can read live and historical data as JSON or CSV through the Environet API. See a sample report.

How Aethair Reports works

Dashboards

Air Quality You Can See

Facilities can share live air quality through dashboards in waiting areas, on wall displays, behind a scannable QR code, or through a secure link for internal teams. Sharing is entirely optional: data can be public, kept private, or limited to internal visibility.

Aethair air quality dashboard displayed on a laptop.

On a laptop

A secure link for internal teams, facilities, and infection control.

Aethair air quality dashboard on a TV behind a clinic reception desk, with a QR code sign and an Aethair IAQ on the wall beside it.

At reception

Live status on a wall display in a waiting area, with a QR code beside it.

Aethair air quality dashboard displayed on a mobile phone.

On a phone

The same readings for patients, staff, or visitors who scan the code.

Noesis in Environet on a phone, a tablet, and a laptop, summarising indoor air quality peaks and answering a question about problem areas.

Ask the data

Noesis: AI Analysis for Clinical Teams

Noesis, the AI analyst in Environet, turns healthcare and IVF air quality data into a tool for decisions. Analyze live or historical conditions, generate a custom report or review an existing one, and ask questions in plain language, such as whether the lab held its conditions last week or which rooms show a trend. It takes the manual review off staff and administrators; the judgment stays with them.

How Noesis works

By sector

Related Solutions

Controlled environments outside the hospital run on the same platform, with a different panel, standard, and reporting template.

All solutions by industry

Article Library

Reading for Healthcare Facilities

Guides to the standards and practices behind air quality monitoring in clinical spaces.

All articles

Questions

Hospital & Healthcare Air Quality Monitoring FAQ

What is hospital air quality monitoring?

Hospital air quality monitoring is the continuous measurement of pollutants and environmental conditions across clinical spaces, including operating rooms, patient wards, IVF labs, cleanrooms, and pharmacies. It supports patient safety and surgical sterility, and it produces the record that healthcare ventilation and contamination requirements ask for.

What is ASHRAE Standard 170 and how does Aethair help facilities comply?

ANSI/ASHRAE/ASHE Standard 170 is the standard for ventilation of health care facilities. For each space type it sets a pressure relationship to adjacent areas, minimum air changes, a design temperature range, a relative humidity limit, and supply filtration; it sets no indoor concentration limits for CO₂, particulates, or VOCs. Aethair PRO and Aethair IAQ record temperature and humidity continuously, Aethair PRO adds room-to-room differential pressure through its expansion-socket cartridge, and Aethair Reports has a CMS-2567 healthcare template built on ASHRAE 170 that checks the readings for the surveyor.

How does Aethair support IVF lab air quality?

IVF lab outcomes are sensitive to VOCs, particulates, pressure, and environmental drift. Aethair IAQ measures total VOCs, formaldehyde, particulates, CO₂, temperature, and humidity continuously, so a contamination event shows up while it is happening, and Aethair Reports documents conditions for clinical audits and accreditation.

Does Aethair IAQ work in operating rooms and cleanrooms?

Aethair IAQ covers the indoor panel (particulates, CO₂, VOCs, formaldehyde, temperature, humidity, and barometric pressure) in patient and clinical areas without a pressure requirement. It does not measure room-to-room differential pressure, so an operating room, isolation room, or pharmacy cleanroom that must hold a pressure relationship runs Aethair PRO with its differential-pressure cartridge. Both report into Environet.

How does healthcare air quality monitoring support patient safety?

Continuous monitoring catches HVAC failures, ventilation drift, pressure reversals, and filtration problems in real time, before they affect a patient. Staff receive alerts when a reading crosses its threshold, and Noesis surfaces trends and anomalies across the facility in answer to plain-language questions.

What air quality parameters should a hospital monitor?

At minimum, particulate matter (PM2.5, and often PM1/PM10), CO₂, temperature, and relative humidity, plus room-to-room differential pressure in any space with a defined pressure relationship. Operating rooms, IVF laboratories, and pharmacy cleanrooms add VOCs, formaldehyde, and airborne particle counts. Which parameters apply depends on the room, so a clinical space is equipped for its own ventilation and contamination requirements rather than to a single template.

Why does differential pressure matter in a hospital?

Pressure relationships are the mechanism that keeps contaminants where they belong. Positive pressure keeps infiltrating air out of operating rooms and rooms that protect immunocompromised patients, while negative pressure contains airborne infection inside isolation rooms. Continuous differential-pressure monitoring confirms each critical room is holding its designed cascade and alarms the instant a door, fan, or filter fault reverses it, long before staff would notice.

Can one device cover both a ward and a cleanroom?

The same platform covers both, but they are configured differently. A ward or clinic uses the core indoor panel; a surgical suite, IVF laboratory, or pharmacy cleanroom adds pressurization and, where classification applies, particle counting. Deploying one flexible monitor family across the estate keeps the data, alerting, and reporting consistent while letting each space carry the parameters it actually needs.

How does continuous monitoring support accreditation?

Continuous, time-stamped, and calibrated measurement produces the documented record that clinical accreditation and audits ask for: evidence that each space stayed within its specified temperature, humidity, pressure, and air-quality bands. Automated threshold alerts catch ventilation drift, filtration faults, and pressure reversals in real time, so problems are corrected before they affect a patient rather than discovered after the fact.

Put Your Clinical Spaces on the Record

Schedule a ConsultationSee a sample report Aethair PRO Aethair IAQ Build a Configuration

A 30-minute call: you tell us about your application, then we demo the solution for it.

Used by teams at