{"product_id":"airgradient-one-indoor-air-quality-monitor","title":"AirGradient ONE Indoor Air Quality Monitor","description":"\u003cp\u003eThe \u003cb\u003eAirGradient ONE Indoor Air Quality Monitor\u003c\/b\u003e (Model I-9PSL) is a high-precision, open-source air monitor designed to measure real-time environmental metrics inside homes, offices, and classrooms. Built with industry-leading sensors, a vibrant OLED display, and a customisable RGB LED status bar, this compact unit tracks crucial indoor air pollutants — including PM2.5, CO2, TVOCs, and NOx — to help you identify poor ventilation and off-gassing chemicals. RESET Air accredited, it integrates seamlessly into local smart home systems like Home Assistant without cloud lock-in.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-Pollutant Sensor Suite\u003c\/b\u003e: Measures PM1, PM2.5, and PM10 particulate matter, CO2 (carbon dioxide), TVOCs (Total Volatile Organic Compounds), NOx (nitrogen oxides), temperature, and relative humidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndustry-Leading Precision\u003c\/b\u003e: Powered by a SenseAir S8\/S88 NDIR CO2 module, a Plantower PMS5003 laser particle counter, and Sensirion SGP41 TVOC\/NOx gas sensors for research-grade accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAt-a-Glance Visual Feedback\u003c\/b\u003e: Integrated 1.3-inch OLED screen and a fully configurable RGB LED light bar that changes colour instantly based on live air quality levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e100% Open Source \u0026amp; Privacy Focused\u003c\/b\u003e: Built on an ESP32 microcontroller with open firmware and hardware schematics. Works locally with Home Assistant and Homey, or sends data to the optional AirGradient dashboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRESET Air Accredited\u003c\/b\u003e: Meets strict commercial building standards for continuous environmental air quality monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModular \u0026amp; Repairable Design\u003c\/b\u003e: Durable, UV-resistant ASA plastic designed for long lifespans, easy disassembly, and component replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Type\u003c\/b\u003e: Indoor Air Quality Monitor\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel\u003c\/b\u003e: AirGradient ONE (I-9PSL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMicrocontroller\u003c\/b\u003e: ESP32-C3-MINI (Wi-Fi 2.4 GHz \u0026amp; Bluetooth LE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisplay\u003c\/b\u003e: 1.3-inch OLED Display (128x64 px) + Configurable RGB LED Bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eParticulate Matter Sensor\u003c\/b\u003e: Plantower PMS5003 (PM1, PM2.5, PM10)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbon Dioxide Sensor\u003c\/b\u003e: SenseAir NDIR CO2 module (0–10,000 ppm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas \/ Volatiles Sensor\u003c\/b\u003e: Sensirion SGP41 (TVOC \u0026amp; NOx Index)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemp \u0026amp; Humidity Sensor\u003c\/b\u003e: Sensirion SHT40 (±0.2°C \/ ±2% RH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnclosure\u003c\/b\u003e: ASA Plastic (UV-Resistant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Connection\u003c\/b\u003e: USB-C (requires 5V \/ 2A USB power adapter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCable Included\u003c\/b\u003e: 2 m USB-C to USB-A data and power cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCertifications\u003c\/b\u003e: RESET Air, CE, RoHS, REACH, FCC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: 13.0 cm (Length) x 13.0 cm (Width) x 3.5 cm (Height)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNet Weight\u003c\/b\u003e: 350 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and Delivery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCourier Distribution\u003c\/b\u003e: Shipped securely via a dedicated UK courier network, packaged with internal protective padding to ensure delicate sensor components arrive in optimal condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDelivery Coordination\u003c\/b\u003e: Fully tracked delivery with dispatch alerts and tracking information sent via text or email prior to arrival.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Smartair","offers":[{"title":"Default Title","offer_id":58467080601948,"sku":"EX-AIRG-IN","price":300.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/9451\/9900\/files\/Untitleddesign_5_1_a65fcacb-9e2a-4d8d-959d-57788f971ddc.png?v=1785316719","url":"https:\/\/youwantpureair.co.uk\/products\/airgradient-one-indoor-air-quality-monitor","provider":"You Want Pure Air","version":"1.0","type":"link"}