PM2.5 sensing
Yes
CO2, particles and gases are different quantities. One sensor does not measure all of them.
AirGradient / Indoor air quality monitors
AirGradient ONE
The fully assembled I-9PSL combines direct CO2 and particle sensing with an OLED and a local-data option.
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At a glance
Radon sensing
No
Keep sensor presence separate from professional test certification, local rules and interpretation of results.
Source · 2026-10-11
AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.Numeric display on the device
Yes
A coloured indicator is not a numeric display. App readings are a separate viewing route.
Source · 2026-10-11
AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.The purchase package
ONE (US selection)
One standard consumer monitor in the specified US selection. Optional hubs, extra sensors and commercial services are not assumed included.
Source · 2026-10-11
AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.Select: AirGradient ONE I-9PSL fully assembled, shipped to US; not DIY kit.
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Specifications & sources
Consumer monitoring packages for US buyers. These comparisons do not certify indoor safety, diagnose health conditions or replace dedicated smoke/CO alarms or professional testing.
Open a field explanation or source for its conditions.
| Compare the details | ONE (US selection) |
|---|---|
| US purchase package | AirGradient ONE I-9PSL fully assembled, shipped to US; not DIY kit. One standard consumer monitor in the specified US selection. Optional hubs, extra sensors and commercial services are not assumed included. Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
| External rating | |
Direct CO2 sensingWhether a dedicated CO2 sensing method is documented. Do not substitute derived eCO2 from another gas sensor for a direct CO2 measurement. | YesSource · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
CO2 method and revisionThe manufacturer-described CO2 sensing technology. The method alone does not establish calibrated accuracy or identical behavior between revisions. | NDIR; SenseAir S8/S88 sensor revision as documented for the supplied unit.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
PM2.5 sensingWhether a particle sensor for PM2.5 is documented. CO2, particles and gases are different quantities. One sensor does not measure all of them. | YesSource · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
Radon sensingWhether the product includes a documented radon sensor. Keep sensor presence separate from professional test certification, local rules and interpretation of results. | NoSource · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
VOC signal typeThe documented VOC-related output or its absence. A relative index, total-VOC estimate and compound-specific concentration are not interchangeable. | Relative TVOC and NOx indices from SGP41; not compound-specific concentrations.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
Temperature and humidityWhether both temperature and relative humidity sensing are documented. Use the placement and operating conditions in the manual; a shared room does not imply identical readings. | YesSource · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
Numeric display on the deviceWhether the device itself displays numeric readings. A coloured indicator is not a numeric display. App readings are a separate viewing route. | YesSource · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
Data connectionThe documented local or internet connection path. Bluetooth synchronization does not by itself provide remote access from outside the home. | 2.4 GHz Wi-Fi; local integration is documented separately from hosted services.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
Power and included equipmentPower source and relevant package equipment. A supplied USB cable does not establish a supplied wall adapter. Battery life depends on usage and settings. | USB-powered; 2 m USB-C to USB-A cable included, power plug excluded.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
History, export and service conditionsDocumented ways to view or retain data and the applicable service limits. Local readings, a cloud dashboard, export and commercial API rights are different entitlements. | 12 months of hosted dashboard/API access are included; local server and Home Assistant options have their own setup requirements.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified. |
| Questions to check before buying | Read the source notes for the exact package and operating conditions. |