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Inexpensive and offers fantastic performance for the price Uses a quality sensor from Sensirion Accurate readings, even compared to more expensive monitors Simple, minimalistic design that blends in anywhere Requires IKEA DIRIGERA Hub for connectivity Only shows qualitative VOC values No internal battery, must always be powered Limited functions with HomeKit Some compromises compared to slightly more expensive monitors Best Portable Air Quality Monitors The range of choices for portable air quality monitors decreases significantly

Press the small button on the bottom of the battery RAPIDLY 5 times

It also monitors temperature, humidity, pressure, and TVOCs

Now, I want to mention that this monitor only makes the list due to its accuracy and price point