>setAPIKey</a></code>.</p></dd>


<dt>fields</dt>
<dd><p>Character string with PurpleAir field names for the Get Sensor Data API.</p></dd>


<dt>location_type</dt>
<dd><p>The <code>location_type</code> of the sensors. Possible values
are: 0 = Outside, 1 = Inside or <code>NULL</code> = both.</p></dd>


<dt>read_keys</dt>
<dd><p>Optional comma separated list of sensor read_keys is required
for private devices. It is separate to the api_key and each sensor has its own
read_key. Submit multiple keys by separati