Data Set For: Raw Data Collected From NO2, O3 And NO Air Pollution Electrochemical Low-Cost Sensors

<p>This data set contains data from two Captor nodes. These are prototypes nodes&nbsp;that were developed at the Universitat Polit&egrave;cnica de Catalunya (UPC) in order to study the effects of the sensor data gathering process on the use of low-cost sensors for air quality monitoring. Specifically, the captors nodes have tropospheric ozone, nitrogen dioxide, and nitrogen monoxide electrochemical sensors. They also have a temperature and relative humidity sensor inside the box.&nbsp;<br> Two Captor nodes were placed in a reference station in Barcelona (Spain) for four months (January 2021 to May 2021), at a sampling frequency of 0.5 Hz.&nbsp;The data set contains a &quot;readme&quot; file with a brief description of the five files that make up the data set.</p>