Our 11 Favorite Air Quality Monitors We’ve Tried (2025)

I want I had used the IQAir AirVisual Out of doors Monitor years in the past after I first examined IQAir’s AirVisual Professional Indoor Air High quality Monitor (above). The show offers real-time indoor monitoring together with knowledge from the closest out of doors air high quality station, or your very personal right-outside-the-window IQAirVisual Out of doors. There’s a lot extra accuracy in having each a devoted indoor and out of doors monitor. Having each of IQAir’s displays allows the AirVisual Professional to point out each side-by-side readings of indoor and out of doors on its easy-to-read display screen.

Relying on the index quantity, the visible of the display screen’s two boys can be inexperienced with a smile for good air and appear disillusioned at reasonable yellow air, going all the way in which to purple with a respirator masks for dangerous air. Typically each boys are smiling inexperienced, typically the indoor boy is glad and the skin one is mired in soiled air. There’s actual company in figuring out each the indoor and out of doors air high quality index. The monitor additionally pairs with IQAir’s intuitive app, which has among the best consumer experiences I’ve tried.

Not like PurpleAir’s plug-and-play crowdsourced air high quality map, IQAir has a registration course of for accepting knowledge out of your Out of doors monitor. Submission necessities embrace images of your mounted out of doors monitor. IQAir’s Out of doors comes with a mounting plate, two UV-resistant cable ties for a pole mount, and wall plugs and screws for a wall mount. I’m unable to drill into the brick outdoors my constructing, and IQAir doesn’t have an possibility for putting it on a windowsill. There’s no stand to maintain it upright. The ability adaptor can not get moist with rain or snow, and it’s steered to put it at a minimal of 5 ft off the bottom. IQAir requires a photograph of your Out of doors placement. I took an image of the Out of doors monitor on my windowsill and submitted it to IQAir.

My submission to be a contributor for the app was rejected. An electronic mail from IQAir detailed why: “The info reported out of your monitor doesn’t correlate with surrounding stations. Please be sure that the setting is effectively ventilated and test if there’s any air pollution supply close by, then resubmit your publication in order that we may assessment it once more. From the offered images, it seems that your set up doesn’t guarantee good airflow … Make certain air inlet is totally unobstructed, and air can freely movement across the gadget.”

IQAir included a photograph of a monitor secured above the door on a freestanding home. And whereas I’ve but to resubmit, having an out of doors monitor that works with my IQAir Air Visible has been useful. When my neighbors use their hearth pit, each my PurpleAir Zen and my IQAir Out of doors registered a PM 2.5 of 160, letting me know to close my kitchen window. And it has 4 sensors that may choose up PM 2.5, CO₂, temperature, humidity, and barometric strain. I’ve to both take a look at my AirVisual monitor for a real-time studying or open the app, as a result of the IQAir Out of doors doesn’t have an indicator mild; it’s really meant to be tucked away outdoors.