The details and current status of data requests submitted through the Data Request Help Desk page can be seen here.
2016 particulate data in US
by region division year, month, particulate matter measurement (mean, standard dev range) for 2016 . Or 2015. CDC wonder stops at 2011.
A Centers for Disease Control and Prevention open data lead has been notified of your data request.
If we understand the nature of this request there is no dataset after 2011. So for example there is no data for 2015 or 2016.