SOURCE: Audrey Wachs, The Architects Newspaper

Starting today, the City of Chicago is piloting a “Fitbit” for its city streets.

In collaboration with researchers at the Argonne National Laboratory, the University of Chicago, and a few corporations, the city last week installed two of 500 planned sensors for the Array of Things, a project to measure the city’s performance on an array of environmental metrics.

The 10-pound sensors are mounted to light poles and will gather block-level data on noise levels, air quality, air and surface temperature, barometric pressure, vibrations, and atmospheric gasses. Two cameras per box will surveil pedestrian flows, vehicular traffic, sky color, cloud cover, and standing water.