In stock. Ordered before 5pm, delivered the next business day. Probes, sensors, and detectors Apollo Automation - AIR-1 air quality monitor (10 in 1) Apollo Automation AP_AIR-1 CO2 ONLY CHF153.00 AIR-1 is a 10-in-1 Home Assistant-compatible air quality sensor. It measures the following data in particular: Temperature Humidity PM1 (fine particles) PM2.5 (fine particles) PM4 (fine particles) PM10 (fine particles) VOC (volatile organic compounds) NOx (nitrogen oxides) CO2 (carbon dioxide) Barometric pressure Add to cart