UniFi Air Quality Alerts: Placement, Calibration and Vape Detection

The meeting starts comfortably, but the room feels stale half an hour later. Elsewhere, a cleaning round triggers repeated air-quality notifications. These are different problems. A sensor can help reveal a pattern, but buying one is only the beginning: the air must reach it, the readings need context and someone must know what to do next.

What UP-AirQuality Measures

The Ubiquiti UP-AirQuality monitors CO₂, particulate sizes, VOCs, NOx, temperature and humidity, and provides air-quality and vape indicators. It connects through a 10/100 Ethernet PoE interface and consumes up to 2.2 W. It is not a WiFi battery sensor.

Plan a supported Protect host and application version as well as the Ethernet outlet. Current requirements include UniFi Protect 7.1 or later. Its small enclosure is approximately 93 mm in diameter and 40.5 mm deep, so it can fit discreetly into a room without becoming another large wall display.

Readings can support facilities decisions. They do not identify who caused an event, establish a medical diagnosis or replace the smoke, fire or other safety alarms required at the site.

Choose the Position for the Monitoring Job

For CO₂ and general air-quality monitoring, Ubiquiti recommends an occupied area around 1–1.5 m high, away from vents, windows and heat sources. For vape detection, its guidance is 2–2.5 m high, away from direct airflow and near the area of interest.

A sensor beside a supply-air vent may repeatedly sample freshly delivered air instead of the air around the meeting table. A sensor hidden in an alcove may respond slowly. Walls and partitions also separate air movement; a single unit in a corridor should not be treated as proof of the conditions inside several closed rooms.

Give the Room a Baseline Before Tuning Alerts

Allow the installation to settle. Ubiquiti advises up to two days for CO₂ settling, including some exposure to fresh outdoor air. Record how the room behaves through ordinary occupancy, ventilation changes and cleaning, rather than treating the first displayed number as the final answer.

A useful log can be simple: room name, occupancy period, doors or windows open, ventilation state and relevant cleaning activity. Keep unnecessary personal details out of it. Compare the pattern with the room’s actual use.

For a meeting room, look at the trend before, during and after a normal session. If readings rise consistently during occupancy and fall when ventilation improves, that is a more useful facilities observation than an isolated spike. Set the escalation process with the people responsible for the building.

Tune Vape Alerts Against Normal Activity

The vape index and sensitivity setting have different jobs. The index describes the detected signal; the calibration slider controls how readily alerts trigger. In the manufacturer’s current guidance, lower calibration values increase sensitivity and higher values reduce it. Do not reverse that relationship while troubleshooting.

Start with normal conditions, review the live feedback and adjust gradually. Steam, dust and cleaning aerosols can complicate interpretation. If alerts cluster around a cleaning schedule, investigate that pattern and sensor placement before simply disabling notifications.

Use an authorised test procedure appropriate to the site, then check that the intended staff receive a useful notification. Revisit the settings after representative use. Treat a detection as a reason to investigate, with a fair response process, rather than an automatic accusation.

Turn a Notification into a Useful Action

For air-quality work, ventilation and filtration address different issues. A particle filter does not by itself remove CO₂. Avoid changing building controls on the strength of one sensor reading without understanding the ventilation system.

Where the same room also has connectivity problems, keep the investigations separate. The meeting-room WiFi guide addresses radio and network capacity, not the room’s air movement.

A Useful Sensor Has an Owner and a Response Plan

Before ordering, mark the monitoring purpose and intended position on the floor plan. Confirm the cable, PoE source, Protect host, alert recipient and response process. Then assess the room over time. The worthwhile outcome is a clearer operational decision, rather than a dashboard that produces more notifications than anyone can act on.

Frequently Asked Questions