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Verdict: Ring’s Air Quality Monitor is a straightforward indoor sensor for PM2.5, carbon monoxide (CO), humidity and temperature. At $69.99 (Ring’s listed price on October 17, 2026), it suits households already using the Ring app and Amazon Sidewalk. Its decisive limitation is that it does not measure carbon dioxide (CO2) or radon, and Ring says it is not a replacement for a dedicated CO detector.
What the Ring Air Quality Monitor measures
Ring’s product and support documentation identify four measured categories:
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- PM2.5 particulate matter
- Carbon monoxide (CO)
- Humidity
- Temperature
One Ring FAQ describes the device as reporting on five components, but names only those four categories; Ring’s support documentation also consistently lists four. No fifth pollutant is specified, so buyers should not assume the monitor detects VOCs, ozone or another unlisted gas.
The omission that determines whether it is right for you
No CO2 measurement
Does the Ring air quality monitor measure CO2? No. CO2 is commonly used as an indicator of ventilation and occupancy. Because this monitor does not sense it, it cannot provide a CO2-based signal that a room needs more outdoor air. If ventilation tracking is your main objective, choose a monitor with a documented CO2 sensor instead.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
No radon measurement
Does Ring’s air monitor detect radon? No. Radon requires a dedicated radon test or detector. The absence of a radon sensor makes the Ring device unsuitable for radon-risk screening.
It is not a life-safety CO alarm
Ring’s support documentation states: “Air Quality Monitor is not a replacement for a dedicated CO detector.” Keep compliant, dedicated carbon-monoxide alarms in the required locations even if you install this monitor. Treat its CO reading as an indoor-air trend and notification feature, not as your home’s sole emergency protection.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Price, connectivity and what setup requires
| Item | Ring specification |
|---|---|
| Listed price | $69.99, Ring product page, accessed October 17, 2026 |
| Network | Amazon Sidewalk; coverage is required and varies by location |
| Sidewalk reach | Ring says Sidewalk covers approximately 95% of the U.S. population |
| App | Ring app for setup and monitoring; Ring instructs users to scan the device QR code |
| Hub or subscription | No additional hub, sign-up fee or subscription required to connect, according to Ring |
Sidewalk availability is a practical prerequisite. The approximately 95% figure is Ring’s U.S. population coverage estimate, not a guarantee that your particular building or address has service. Check connectivity before buying if you live outside the covered area or in a location with weak Sidewalk reach.
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- Place the monitor indoors where people spend time, away from direct sunlight, heat vents, cooking areas and strong airflow.
- Connect the included power adapter and cable to a 100–240 VAC, 50/60 Hz outlet.
- Open the Ring app and scan the QR code to add the monitor.
- Allow up to 24 hours after setup for readings to stabilize before judging the normal range in that room.
How often readings update and what the numbers mean
Ring says the monitor reports PM2.5, CO, humidity and temperature every 15 minutes. Temperature can report immediately after a change of ±2°F (±1°C), while humidity can report immediately after a change of ±5%. Those faster updates are triggered by the stated change thresholds; routine reporting remains on the 15-minute schedule.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
| Measurement | Published figure or threshold |
|---|---|
| Temperature accuracy | ±0.81°F (±0.45°C), Ring support documentation (2026) |
| Humidity accuracy | ±4.5%, Ring support documentation (2026) |
| PM2.5 status | “Good” at or below 35.0 μg/m³; “poor” above 35.0 μg/m³ |
| CO status | “Good” at or below 9.0 ppm; “poor” above 9.0 ppm |
These are manufacturer-published specifications and thresholds, not results from an independent laboratory test. Ring does not establish in the supplied documentation that the monitor matches a separately calibrated reference instrument in every home.
Hardware, placement and operating limits
| Specification | Details |
|---|---|
| Dimensions | 46.6 × 65 × 65 mm (1.83 × 2.56 × 2.56 inches) |
| Colour | White |
| Operating temperature | 32°F to 104°F (0°C to 40°C) |
| Included | Monitor, one power cable and one power adapter |
| Certifications | UL and FCC, as listed by Ring |
| Warranty | One-year limited warranty |
Keep the unit indoors and out of locations that can bias readings, such as a sunny windowsill, directly above a heat register, beside a stove or in a constantly windy spot. It is a mains-powered device, so placement also depends on having a suitable outlet.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
How it compares with the monitor you may actually need
Use these questions before treating the Ring model as a complete air-quality solution:
- Required sensors: Do you need CO2 for ventilation, radon for a health-risk check, VOCs or another gas that Ring omits?
- Connectivity: Is Amazon Sidewalk available where the monitor will operate, or would Wi-Fi, Bluetooth, Thread or a local hub be more dependable?
- Alerts and ecosystem: Do Ring app and Alexa notifications fit your household, and are the controls you need available without a subscription?
- Reporting transparency: Is 15-minute reporting sufficient, and does the manufacturer publish accuracy and stabilization details you can evaluate?
- Safety role: Are you buying a comfort and trend monitor while retaining certified, dedicated CO alarms?
Is the Ring Air Quality Monitor worth it?
It is a sensible purchase when you want basic, app-based indoor trends for PM2.5, CO, humidity and temperature, already use Ring devices, and have Amazon Sidewalk coverage. The $69.99 price buys a simple, always-powered monitor without an extra hub or subscription.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
It is a poor fit if your primary question is “Is this room ventilated?” (you need CO2), “Does my property have a radon problem?” (you need radon testing), or “Can this replace my CO alarm?” (Ring explicitly says it cannot). In those cases, select equipment with the missing sensor or safety certification and keep the Ring monitor, if desired, as a supplementary indoor-air tracker.
Bottom line for buyers
Ring keeps the Air Quality Monitor easy to install and easy to read, but its sensor list is deliberately limited. Confirm Sidewalk coverage, place it carefully, wait 24 hours for stabilization, and retain dedicated CO alarms. Buy it for Ring-integrated PM2.5, CO, humidity and temperature tracking—not for CO2, radon or emergency CO protection.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
