I have deployed an AirGradient Open Air (Model O-1PST) air quality sensor about two feet outside of one of the windows of my 11th floor apartment in Midtown East in Manhattan. The approximate altitude of the sensor is 155 feet, and, according to Google Maps, the latitude of my location is 40.75133779151416 and the longitude is -73.96926026143207. For more information about AirGradient, click here (opens in a new tab).
Here is a photo of the AirGradient sensor outside my window:
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