AirGradient ONE Indoor Air Quality Monitor (With SIM)

£408.00
  • PM₂.₅, CO₂, TVOCs, NOx.
  • Temperature & humidity.
  • Built‑in SIM card (no Wi‑Fi required).
  • LED status bar.
  • Onboard display.
  • Open‑source firmware.
  • Home Assistant & Homey support.
  • RESET‑accredited.
  • Durable ASA enclosure.
  • Wall‑mountable.
Estimated delivery on or before

  Free delivery on orders over £50
  14-day hassle-free returns
  100% secure transactions
  Every purchase helps a UK charity
  Over 2000+ happy customers

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Description

The AirGradient ONE Indoor Monitor (with SIM) is a professional‑grade indoor air quality sensor that measures six key pollutants and comfort metrics. With a built‑in SIM card for cellular connectivity, a colour LED status bar, onboard display, and fully open‑source firmware, it delivers reliable, real‑time indoor air insights without needing Wi‑Fi.

How It Works:

  • [PM₂.₅ Monitoring]: Laser‑based Plantower PMS5003T sensor provides accurate particulate readings.
  • [CO₂ Monitoring]: SenseAir S8 NDIR sensor detects ventilation issues and indoor CO₂ buildup.
  • [TVOCs & NOx]: Sensirion SGP41 tracks chemical pollutants from cooking, cleaning, off‑gassing, and combustion.
  • [Temperature & Humidity]: Built‑in sensors track comfort and environmental stability.
  • [LED Status Bar]: Colour‑coded air quality indicator visible across the room.
  • [Onboard Display]: Shows real‑time readings without needing an app.
  • [Open‑Source Firmware]: Modify, extend, or integrate the device however you like.
  • [Home Assistant & Homey Support]: Native integration for smart home automation.
  • [SIM Connectivity]: Operates independently of Wi‑Fi — ideal for offices, schools, rentals, and commercial deployments.

A Top Pick For:

  • [Schools]: CO₂ + PM₂.₅ monitoring helps optimise ventilation and safety.
  • [Offices]: Reliable data without relying on building Wi‑Fi.
  • [Smart Homes]: Native Home Assistant/Homey support.
  • [Clinics & Healthcare]: High‑grade sensors for reliable indoor air tracking.
  • [Commercial Deployments]: RESET‑accredited and compliant with building standards.

Why We Like It:

  • [Professional‑Grade Sensors]: Same sensor families used in commercial IAQ systems.
  • [SIM Connectivity]: Works anywhere — no Wi‑Fi setup, no network issues.
  • [Open‑Source Freedom]: No locked‑down ecosystem — modify anything.
  • [Comprehensive Metrics]: Six key indoor air quality parameters in one device.
  • [RESET Accreditation]: Suitable for professional building‑standard deployments.
  • [Robust ASA Enclosure]: UV‑resistant, durable, and engineered for accurate airflow.

Care And Maintenance

  • [Sensor Vents]: Keep clear for accurate airflow.
  • [Enclosure]: Wipe with a soft cloth; ASA plastic resists UV and wear.
  • [Mounting]: Wall‑mount using screws or stainless‑steel zip ties.
  • [Firmware]: Update or customise via AirGradient’s open‑source tools.
  • [Data Management]: Export or stream readings to your preferred server.

 

Specification
  • Model: AirGradient ONE Indoor (with SIM)
  • Metrics: PM₂.₅, CO₂, TVOCs, NOx, temperature, humidity
  • Sensors: PMS5003T, SenseAir S8, SGP41
  • Connectivity: SIM card (cellular), Home Assistant, AirGradient platform, custom servers
  • Enclosure: UV‑protected ASA plastic
  • Mounting: Wall or pole (screws or stainless‑steel zip ties)
  • Certification: RESET‑accredited
  • Best For: Schools, offices, homes, commercial indoor monitoring
Includes

  • 1 x AirGradient Indoor Monitor (with SIM)
  • 1 x Pre‑installed SIM card
  • 1 x Mounting hardware
  • 1 x User documentation

Q&A

Q: What does “with SIM” mean?
A: The monitor includes a pre‑installed SIM card and does not require Wi‑Fi to operate.

Q: Does it measure CO₂ indoors?
A: Yes — using the SenseAir S8 NDIR sensor.

Q: Can I integrate it with Home Assistant?
A: Yes — full native support.

Q: Is it open‑source?
A: Fully — firmware and data handling can be customised.

Q: Is it RESET‑certified?
A: Yes — suitable for professional building‑standard deployments.

Delivery & Returns

Order Confirmation

As soon as you place your order, you will receive an order confirmation e-mail. We will automatically reach out to our supplier to confirm that the item is in stock. We will process the charges to your credit or debit card if your item is in stock. 

Free Delivery On Orders Over £50

  • Dispatched directly from a supplier in the UK.
  • Order processing time: 1-2 business days.
  • Estimated delivery time: 1-2 business days.
  • Orders are not shipped or delivered on weekends or during public holidays. 
  • If we are experiencing a high volume of orders, shipments may be delayed by a few days.

Free Returns

Naturally, we hope you'll love your purchase, but it's OK to change your mind. Our return policy lasts 14 days. For complete information, please read our returns and refund policy.

Curious About Your Air Quality?

Rent a monitor for up to 4 weeks starting from £40, test your air and make informed choices!
  • Flexible rentals, choose your preferred 2-4 weeks.
  • Fast delivery, Evri Next Day delivery included.
  • Prepaid return label; drop at any Evri shop.
  • £80 deposit, refunded after the safe return.
  • Monitors PM2.5, PM10, CO2 (NDIR), temperature and humidity.
TEST MY AIR

FREE DELIVERY

Free delivery on orders above £50

14 DAYS FREE RETURNS

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