AirDot

See what your air is really doing, before it affects how you feel. AirDot tracks CO₂, fine dust (PM1/2.5/4/10), VOCs, NOx, temperature, humidity, and more in real time. Premium round display with local weather, smart home alerts, and full Home Assistant / MQTT integration. Breathe Smarter. Crystal-Clear Display. 2.1" round 480x480 IPS TFT with 1000 nits brightness. Adaptive brightness and anti-glare for perfect visibility day or night. Complete Air Insight. Sensirion SEN66 sensor delivers accurate CO₂, particles, VOC & NOx Index, plus climate data. Readings every second. Smart & Local. ESPHome firmware. Works fully offline or with Home Assistant, MQTT. Local web setup — no cloud, no subscriptions. Alerts That Matter. Visual guidance, optional sound alerts, hazard focus mode, and direct smart home notifications on the display. Know your air at a glance. Premium Round Display AirDot features a bright, high-resolution circular IPS display designed for effortless reading from any angle. It adapts automatically to room lighting and includes night-friendly modes. High-Accuracy Sensing Powered by the Sensirion SEN66 platform, AirDot provides professional-grade measurements of CO₂, multiple particle sizes, VOC and NOx indices, temperature, humidity, and pressure — all refreshed every second. CO₂ Monitoring Tracks CO₂ buildup in real time (0–40,000 ppm) with clear guidance on when to ventilate. Ideal for bedrooms, offices, classrooms, and living spaces. Particle Monitoring Detects PM1, PM2.5, PM4, and PM10 to reveal invisible dust, smoke, cooking fumes, and traffic pollution before you notice it. VOC & NOx Insight Monitors indoor chemicals from cleaners, furniture, and fragrances (VOC Index) plus traffic/combustion influences (NOx Index) for a complete picture beyond CO₂. Climate Context Combines air quality with temperature, humidity, barometric pressure, and ambient light measurements so you truly understand your indoor environment. Live Graphs & Guidance 15-minute trend graphs, 24-hour min/max stats, colored indicators, and actionable advice ("Ventilate the room") across multiple regional air quality profiles. Hazard Focus & Alerts Automatically highlights the most critical metric, wakes the screen for events, and supports optional buzzer alerts (2700 Hz chirp) that can also be triggered by Home Assistant. Time, Weather & More Shows local time/date, outdoor conditions, and even nearby flight radar-style views. Integrates smart home alerts directly on the display. Engineered for Everyday Intelligence. Firmware, Device Docs & Demo Videos Device setup and configuration Firmware features and updates View device documentation Step-by-step demo video Premium Display 2.1 inch round IPS TFT display 480 × 480 pixel resolution 1000 nits typical brightness 1000:1 contrast ratio 85° viewing angle Anti-glare optical finish High-Accuracy Sensing Sensirion SEN66 platform CO₂, PM1/2.5/4/10, VOC Index, NOx Index Temperature, humidity, pressure, ambient light Fresh readings every second >10 year sensor lifetime Processing & Connectivity ESP32-S3 dual-core 32-bit LX7 processor 2.4 GHz Wi-Fi Home Assistant & ESPHome native support MQTT support Over-the-air firmware updates Power USB-C powered (5V 2A input recommended) Built for continuous always-on operation Enclosure & Design Compact, elegant round form factor Available in Black and White Low noise operation (<24 dB(A)) What's in the Box AirDot device, USB-C cable (power adapter not included — use a standard 5V USB-C supply). Ready for wall or shelf placement. Note: Full local web-based setup. Supports English, German, Dutch, and French.