12 October 2020 Invitation to the 20th VIAQ informal group session VIAQ-20-01	VIAQ-20-01	2020-10-12
29 October 2020 Draft agenda for the 20th VIAQ informal group session VIAQ-20-02	VIAQ-20-02	2020-10-29
6 November 2020 VIAQ informal group progress report VIAQ-20-03	VIAQ-20-03	2020-11-06
6 November 2020 VIAQ informal group working items VIAQ-20-04	VIAQ-20-04	2020-11-06
9 November 2020 CWA real drive test method for collecting vehicle interior air quality data (Volvo Cars) VIAQ-20-05	VIAQ-20-05	2020-11-09
9 November 2020 Cabin Air Filter Rating in China: CATARC CN 95-New supplement Sept 2020 (Freudenberg) VIAQ-20-06	VIAQ-20-06	2020-11-09
9 November 2020 VIAQ: Investigation of interior PM concentrations in real-driving conditions (NAMI) VIAQ-20-07	VIAQ-20-07	2020-11-09
6 November 2020 Evaluation of the efficiency of a vehicle air-purification system (NAMI) VIAQ-20-08	VIAQ-20-08	2020-11-06
11 November 2020 Real-driving measurement of in-vehicle air quality and particle filtration (CabinAir) VIAQ-20-09	VIAQ-20-09	2020-11-11
8 December 2020 Minutes of the 20th VIAQ informal group session VIAQ-20-10	VIAQ-20-10	2020-12-08