The Amazon Smart Air Quality Monitor has gone on sale for the first time. The current price is $55.99 which is 20% off the regular price of $69.99. This air monitor, released this past November, can keep track of particulate matter (PM), volatile organic compounds (VOCs), carbon monoxide (CO), humidity, and temperature. An LED on top shines green, yellow, and red for good, bad, and moderate air quality. For more detailed info about the current air quality, you can open the Alexa app or ask a paired Echo device. You can also buy it bundled with a 4th-gen Echo Dot for $83.98, which is 30% off the regular price, or bundled with an Echo Show 5 for $105.98, which is 31% off the regular price.