Best Air Quality Monitors UK (2026) — Page 3
Monitors for CO2, humidity and air quality.
Read our full Best Air Quality Monitors UK (2026) guide.
#13 Pick
LSENLTY Carbon Dioxide Detector Plug in Wall, 3-in-1 CO2 Meter with Temperature, Humidity & Alarm FunctionRated 4.2 out of 5 stars (55)
£35.99
Pros
- Plug-in wall design needs no batteries or charging
- Alarm function alerts when CO2 levels get too high
- Manual calibration helps keep readings accurate over time
Cons
- Fixed wall-socket position is less flexible than portable monitors
£133.23
Pros
- Tracks PM2.5, PM10, formaldehyde and TVOC alongside temperature and humidity
- Data export function suits detailed home or workplace monitoring
- Pre-calibrated sensors are ready to use out of the box
Cons
- Premium price compared to basic single-metric monitors
£126.47
Pros
- Real-time CO2, temperature and humidity display with alarm
- App notifications help track sleep and workspace air quality
- Energy-efficient sensor suited to always-on monitoring
Cons
- Premium price versus basic single-metric CO2 meters
£114.96
Pros
- Tracks 16 metrics including CO2, TVOC, PM2.5/1.0/10 and HCHO
- Large 7-inch display with configurable AQI alerts
- Suited to households wanting detailed multi-pollutant tracking
Cons
- More complex setup than single-purpose monitors
#17 Pick
Netatmo Smart Indoor Air Quality Monitor, CO2 Sensor, Temperature, Humidity, Noise - NHC-UKRated 4.2 out of 5 stars (178)
£59.99
Pros
- Tracks CO2, temperature, humidity and noise in one device
- Companion app shows historical trends and automatic alerts
- Smart home integration with Alexa and Google Assistant
Cons
- Some automations require additional Netatmo hub hardware
#18 Pick
Awair Element Air Quality Monitor, Indoor Air Pollution Sensor, CO2, Temperature, PM2.5 & VOCsRated 4.1 out of 5 stars (260)
£202.25
Pros
- Tracks CO2, PM2.5, VOCs, temperature and humidity together
- Real-time app tracking with a clear overall Awair Score
- Comprehensive multi-pollutant monitoring for a healthy home
Cons
- Premium price versus single-metric CO2 monitors