# AirGradient air quality monitors

*AirGradient / 3 models*

> AirGradient makes three monitors: the ONE for indoors, the Open Air for outdoors and the Go for carrying. The ONE and Open Air connect over Wi-Fi, work locally with Home Assistant and have a Homey integration. The Go is on pre-order and adds GPS, an e-ink display and a battery.

- Canonical page: https://smarthomecanon.com/lines/airgradient-air-quality-monitors
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | AirGradient |
| Models | 3 |
| Lines | 3 |
| Current lines | 3 |
| On sale now | 2 |

## Currently sold

**AirGradient air quality monitors: models on sale now**

| Model | Series | Released |
| --- | --- | --- |
| [AirGradient ONE](https://smarthomecanon.com/devices/airgradient-one) | AirGradient ONE | unknown |
| [AirGradient Open Air](https://smarthomecanon.com/devices/airgradient-open-air) | AirGradient Open Air | unknown |

## Lineup

**AirGradient air quality monitors: every model**

| Model | Model numbers | Type | Measures | Connection | Power | Released | Status |
| --- | --- | --- | --- | --- | --- | --- | --- |
| [AirGradient ONE](https://smarthomecanon.com/devices/airgradient-one) | I-9PSL | Indoor air quality monitor[^1] | PM2.5, CO2, TVOC, NOx, temperature, humidity[^1] | Wi-Fi (2.4 GHz), Bluetooth LE[^1] | USB-C, 5 V; power plug not included[^1] | unknown | Current[^1][^2] |
| [AirGradient Open Air](https://smarthomecanon.com/devices/airgradient-open-air) | O-1PST | Outdoor air quality monitor[^3] | PM2.5, CO2, TVOC, NOx, temperature, humidity[^3] | Wi-Fi (2.4 GHz), Bluetooth LE[^3] | USB-C, 5 V, with a 4 m cable; power plug not included[^3] | unknown | Current[^3][^4] |
| [AirGradient Go](https://smarthomecanon.com/lines/airgradient-air-quality-monitors#airgradient-go) | P-1PSG | Portable air quality monitor[^5] | PM2.5, CO2, TVOC, NOx, temperature, humidity, air pressure[^5] | Wi-Fi 6 (2.4 and 5 GHz), Bluetooth LE, GPS[^5] | 2000-2500 mAh Li-Po battery[^5] | unknown | withheld |

## Related pages

- [AirGradient ONE](https://smarthomecanon.com/devices/airgradient-one) (device)
- [AirGradient Open Air](https://smarthomecanon.com/devices/airgradient-open-air) (device)

## Sources

[^1]: AirGradient ONE indoor monitor. https://www.airgradient.com/indoor/ (manufacturer, checked 2026-10-20)
[^2]: AirGradient store: ONE I-9PSL fully assembled. https://store72735574.company.site/products/AirGradient-ONE-Indoor-Monitor-I-9PSL-Fully-Assembled-%26-Tested-p594725504 (manufacturer, checked 2026-10-20)
[^3]: AirGradient Open Air outdoor monitor. https://www.airgradient.com/outdoor/ (manufacturer, checked 2026-10-20)
[^4]: AirGradient store: Open Air O-1PST fully assembled. https://store72735574.company.site/products/Open-Air-Outdoor-Monitor-O-1PST-Fully-Assembled-%26-Tested-p580601058 (manufacturer, checked 2026-10-20)
[^5]: AirGradient Go portable monitor. https://www.airgradient.com/portable/ (manufacturer, checked 2026-10-20)