Indoor Air Quality Monitors UK
Office Air Quality Monitors for UK Workplaces
Do you know what your team, pupils, residents or visitors are breathing every day?
Poor indoor air quality can affect comfort, concentration, productivity and wellbeing. The Green Office supplies practical indoor air quality monitors for offices, meeting rooms, classrooms, care homes, gyms and managed properties, helping organisations understand when ventilation or purification may be needed.
Choose from straightforward CO2 monitors, data-logging NDIR monitors and smart multi-sensor air quality monitors that track pollutants such as CO2, VOCs, PM2.5, humidity, temperature and radon.

Monitor Ventilation
CO2 Tracking
Identify rooms where fresh air may be insufficient.
Spot Hidden Pollutants
VOCs, PM2.5 & Radon
Track fine particles, chemicals and other invisible air quality risks.
Support Duty of Care
Visible Evidence
Show that indoor air quality is being actively considered.
Why indoor air quality matters
Indoor air quality is easy to overlook because many pollutants cannot be seen or smelt. A room may feel normal while CO2, humidity, VOCs or fine particulates are rising.
In offices and meeting rooms, high CO2 levels can be a sign of poor ventilation and may contribute to tiredness, reduced concentration and discomfort. In schools, care homes and busy workplaces, monitoring helps staff make better decisions about ventilation, occupancy and purification.
A good indoor air quality monitor gives facilities managers, business owners, school leaders and health and safety teams a practical way to understand the environment before complaints or issues arise.
Common indoor air quality issues
- CO2 build-up in meeting rooms and classrooms
- VOCs from cleaning products, furniture, paint and equipment
- PM2.5 and PM10 particles from dust, traffic, printers or activity
- Humidity problems linked to poor ventilation or damp
- Radon monitoring where a broader air quality view is required
Which indoor air quality monitor is right for you?
Different environments need different levels of monitoring. Use this guide to decide whether you need a simple CO2 monitor, a data-logging NDIR CO2 monitor or a smart multi-sensor air quality monitor.
| Monitor type | Best for | What it measures | Typical use case |
|---|---|---|---|
| CO2 Monitor | Offices, meeting rooms, classrooms | Carbon dioxide, temperature and humidity | Checking whether occupied rooms need more fresh air. |
| Data-Logging CO2 Monitor | Schools, facilities teams, meeting spaces | CO2, temperature, humidity and trend history | Reviewing patterns by hour, day or week to understand ventilation performance. |
| Smart Multi-Sensor Monitor | Comprehensive workplace and building monitoring | CO2, VOCs, PM2.5, radon, humidity, temperature and pressure | Getting a broader view of indoor air quality through app and dashboard insights. |
Compare our indoor air quality monitors
Our range includes simple CO2 monitoring for everyday ventilation checks, data-logging monitors for more detailed review, and smart multi-sensor devices for organisations that want broader air quality visibility.
Best value CO2 monitor
Kidde KCO2M10UK Mains Powered CO2 Air Quality Monitor
A practical mains-powered carbon dioxide monitor for offices, classrooms, meeting rooms and shared indoor spaces. It uses a high-precision NDIR CO2 sensor and gives clear real-time readings for CO2, temperature and humidity.
- NDIR CO2 infrared sensor
- Traffic light LED indicators
- Audible and voice alerts
- Wall mounted or freestanding
- Rechargeable backup battery with 12+ hours runtime
Best for trend tracking
SA1200P CO2 Indoor Air Quality Monitor with NDIR Sensor
A CE marked CO2 indoor air quality monitor with built-in data logging, trend charts and customisable alarms. Ideal for users who want to review CO2, temperature and humidity patterns over time.
- NDIR CO2 sensor up to 5000ppm
- Built-in data logger
- Trend chart and Min/Max readings
- Customisable audible and visual alarms
- USB powered for continuous operation
Best multi-sensor option
Airthings 2960 View Plus Smart Radon & Air Quality Monitor
A premium smart air quality monitor for organisations that want a broader view of indoor conditions. It monitors radon, PM2.5, CO2, VOCs, humidity, temperature and air pressure.
- 7-sensor smart air quality monitoring
- CO2, PM2.5, VOC and radon tracking
- Wi-Fi app and dashboard access
- Customisable ePaper display
- Battery or USB-C powered

Support workplace air quality and compliance awareness
For many organisations, workplace CO2 monitoring and indoor air quality management are not just wellbeing initiatives. They can also support responsible health and safety management, facilities planning and evidence-led decision making.
Facilities teams, office managers, schools and care providers may consider air quality monitoring alongside HSE workplace ventilation guidance, building services guidance such as CIBSE recommendations, and wider workplace wellbeing standards.
Useful trust signals to look for
- NDIR CO2 sensor for direct carbon dioxide monitoring
- Clear display readings for everyday users
- Alarms, indicators or alerts when readings rise
- Relevant electrical safety and product compliance documentation
- Data logging, app access or wider sensors where a more detailed audit trail is needed
What to compare before buying
When choosing an air quality monitor for meeting rooms, offices or classrooms, compare the details that matter most. The best choice depends on the room, the risk and how the data will be used.
What it measures
CO2 only, temperature, humidity, VOCs, PM2.5, radon or broader multi-sensor monitoring.
How data is shown
Look for clear screens, traffic light alerts, trend charts, app dashboards or data logging where needed.
Power and placement
Consider mains, USB, battery or backup battery options, plus whether the unit can be wall mounted or freestanding.
Best use case
Match the monitor to the environment: office, school, meeting room, gym, care home, warehouse or managed property.
Indoor air quality monitor comparison
Compare the main features below to choose the right monitor for your workplace, school, meeting room or shared indoor space.
| Product | Best for | Measures | Key benefit | Power | Action |
|---|---|---|---|---|---|
| Kidde KCO2M10UK | Simple classroom, office and meeting room CO2 monitoring | CO2, temperature, humidity | Easy traffic light alerts and clear real-time readings | Mains powered with rechargeable backup battery | View product |
| SA1200P CO2 Monitor | Users who want trends, history and customisable alerts | CO2, temperature, humidity | Built-in data logger, trend chart and alarm settings | USB powered | View product |
| Airthings 2960 View Plus | Premium smart indoor air quality monitoring | Radon, PM2.5, CO2, VOCs, temperature, humidity, pressure | App, dashboard, alerts and 7-sensor monitoring | Battery or USB-C powered | View product |
“Air quality monitoring helped us understand which rooms needed better ventilation and gave our team a clear, practical way to act.”
Facilities Manager, St Mary's School
When monitoring shows poor air quality, take action
Opening windows can help with ventilation, but it is not always practical. Cold weather, security, road noise, outdoor pollution and vulnerable building users can all limit how much fresh air can be brought in.
Where particulate levels are high, a HEPA air purifier can help reduce airborne particles and support a cleaner indoor environment.

Indoor air quality monitor FAQs
What is a good CO2 level for an office?
Lower CO2 readings usually indicate better ventilation. If levels rise during the day, it may be a sign that more fresh air or improved ventilation is needed. Many organisations use CO2 monitoring as a practical indicator of how well occupied rooms are ventilated.
Do I need an air quality monitor at work?
An air quality monitor is useful if you manage offices, meeting rooms, classrooms, care homes, gyms or any shared indoor space. It helps you understand when rooms may need ventilation, investigation or purification.
What does an indoor air quality monitor measure?
Depending on the model, an indoor air quality monitor may measure CO2, VOCs, PM2.5, radon, temperature, humidity and air pressure. Multi-sensor monitors provide the broadest picture of indoor air quality.
What is the best air quality monitor for meeting rooms?
For meeting rooms, a CO2 monitor is often the most useful starting point because CO2 levels rise as occupancy increases. For a more complete view, choose a multi-sensor monitor that also tracks VOCs, particulates, temperature and humidity.
Which monitor should I choose?
Choose the Kidde KCO2M10UK for simple CO2 monitoring, the SA1200P if you need trend charts and data logging, or the Airthings View Plus if you want smart multi-sensor monitoring including radon, PM2.5, VOCs and app access.
When should I use an air purifier?
If your monitor shows elevated particulate levels, or if ventilation is difficult due to weather, security, outdoor pollution or vulnerable building users, an office air purifier may help improve indoor conditions.
Shop indoor air quality monitors
Compare indoor air quality monitors for offices, schools, meeting rooms and workplaces. Choose the right device for your space, then use the data to improve ventilation, comfort and air quality.
For complete indoor air quality management, pair monitoring with suitable office air purifiers where action is needed.
View Kidde Monitor View SA1200P Monitor View Airthings Monitor
