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Smartair

AirGradient Open Air Outdoor Air Quality Monitor

AirGradient Open Air Outdoor Air Quality Monitor

£294.00 GBP
£294.00 GBP
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Shipping calculated at checkout.

The AirGradient Open Air Outdoor Air Quality Monitor is a fully open-source, weather-proof environmental monitor designed to give you precise, real-time insights into outdoor air quality. Engineered with high-grade sensors housed in a durable, UV-resistant ASA casing, it measures key air pollutants — including PM2.5 particulate matter, CO2, TVOCs, and NOx — enabling local air tracking for homes, schools, or community research projects.

Key Features

  • Comprehensive Multi-Pollutant Tracking: Accurately measures PM1, PM2.5, and PM10 particulate matter, CO2 (carbon dioxide), TVOCs (Total Volatile Organic Compounds), NOx (nitrogen oxides), temperature, and humidity.
  • Hospital & Research Grade Sensors: Equipped with a Plantower PMS5003T laser scattering particle sensor, a SenseAir NDIR CO2 module, and a Sensirion SGP41 TVOC/NOx sensor for reliable data accuracy.
  • 100% Open Source & Developer Friendly: Powered by an ESP32 microcontroller with open-source firmware and hardware designs (CC-BY-SA), fully customisable and easy to integrate into Home Assistant or smart home ecosystems without cloud lock-in.
  • Weatherproof ASA Plastic Enclosure: UV-resistant, heavy-duty ASA plastic designed to withstand extreme weather, rainfall, and direct sunlight exposure.
  • Flexible Mounting & Long Cable: Versatile wall or pole mounting options (including zip-tie channels) with a 4 m USB-C power/data cable included for easy installation.

Specifications

  • Product Type: Outdoor Air Quality Monitor
  • Model: Open Air (O-1PST)
  • Microcontroller: ESP32-C3-MINI (Wi-Fi 2.4GHz & Bluetooth LE)
  • Particulate Matter Sensor: Plantower PMS5003T (PM1, PM2.5, PM10)
  • Carbon Dioxide Sensor: SenseAir S8/S88 NDIR (0–10,000 ppm)
  • Gas / Volatiles Sensor: Sensirion SGP41 (TVOC & NOx Index)
  • Temp & Humidity Sensor: Internal ENS210 sensor module
  • Enclosure: ASA Plastic (UV-Resistant & Weatherproof)
  • Power Connection: USB-C (requires 5V / 2A USB power adapter)
  • Cable Included: 4 m USB-C to USB-A cable (data-enabled)
  • Certifications: CE, RoHS, REACH, FCC
  • Dimensions: 9.2 cm (Length) x 8.7 cm (Width) x 8.5 cm (Height)
  • Net Weight: 180 g (without cable)

Shipping and Delivery

  • Courier Distribution: Packaged securely in protective boxing and dispatched via a dedicated UK courier service to safeguard sensitive internal sensor modules during transit.
  • Delivery Coordination: Fully tracked delivery with automated dispatch alerts sent via text or email prior to arrival.
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Hear What Others Think

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    Jane D.

    "Very good customer service. Friendly, responsive, and always willing to answer questions. It’s clear they value their customers.”

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    James E.

    "A brilliant business ran by friendly, trustworthy people. I have been recommending them to everyone!"

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    Mitch D.

    "Thank you so much! So impressed by the people running this business. Will be back."

Why You Want Pure Air

At You Want Pure Air, we believe the spaces we live and work in shape how we feel every day.

That’s why we carefully select products designed to support healthier, calmer, and more comfortable living - from cleaner air and restorative sleep to focused workspaces and thoughtful home furnishings.

Every item in our collection is chosen with wellbeing, quality, and sustainability in mind, helping you create a home environment that feels better to live in.

Because better living doesn’t start outside the home. It starts within it.