Table 10 Timeline for the release of the reference data during the Main QUANT and WPS.

From: QUANT: a long-term multi-city commercial air sensor dataset for performance evaluation

Study phase

Period of reference data

Date released

Main QUANT

10 Dec 2019 - 17 Feb 2020

15 Apr 2020

18 Feb - 17 Aug 2020

27 Oct 2020

18 Aug 2020 - 17 Feb 2021

15 Apr 2021

WPS

17 Jun to 16 Jul 2021

23 Jul 2021

1 to 31 Dec 2021

26 Jan 2022

1 to 31 May 2022

15 Jun 2020