12 January 2021 GRE-82: Schedule of informal meetings in conjunction with GRPE proper session GRPE-82-01/Rev.1	GRPE-82-01/Rev.1	2021-01-12
4 January 2021 Influence of air-conditioning on/off on PM2.5 in-cabin measurement results (Mahle) VIAQ-21-04	VIAQ-21-04	2021-01-04
4 January 2021 Behavior of carbon monoxide, nitrogen oxides, and ozone in vehicle cabin with a passenger (UC Riverside and UC Irvine) VIAQ-21-05	VIAQ-21-05	2021-01-04
5 January 2021 VIAQ informal group progress report VIAQ-21-03	VIAQ-21-03	2021-01-05
7 January 2021 Progress update on measuring cabin particle ingress and CO2 buildup (Emissions Analytics) VIAQ-21-06	VIAQ-21-06	2021-01-07
7 January 2021 Dynamic and stationary measurement of in-vehicle PM2.5 (CabinAir) VIAQ-21-07	VIAQ-21-07	2021-01-07
12 January 2021 VIAQ: IWG Status report GRPE-82-32	GRPE-82-32	2021-01-12
17 February 2021 Minutes of the 21st VIAQ informal group session VIAQ-21-08	VIAQ-21-08	2021-02-17
23 March 2021 Invitation to the 22nd VIAQ informal group session VIAQ-22-01	VIAQ-22-01	2021-03-23
27 April 2021 Draft agenda to the 22nd VIAQ informal group session VIAQ-22-02/Rev.1	VIAQ-22-02/Rev.1	2021-04-27
20 April 2021 Vehicle filtration testing at locations where the dominant particle size different (CabinAir) VIAQ-22-05	VIAQ-22-05	2021-04-20
20 April 2021 Passenger car cabin air vent [NO] measurements with a fast response CLD (Cambustion) VIAQ-22-09	VIAQ-22-09	2021-04-20
21 April 2021 PM2.5 and Ultra-Fine Particles in Sweden and Northern China: Influence of Filter Age and Pre-ionization (Volvo Cars) VIAQ-22-04	VIAQ-22-04	2021-04-21
26 April 2021 Comparative analysis of VIAQ test methodologies (NAMI) VIAQ-22-07	VIAQ-22-07	2021-04-26
21 April 2021 VIAQ progress report VIAQ-22-03	VIAQ-22-03	2021-04-21
21 April 2021 VIAQ feedback form VIAQ-22-08	VIAQ-22-08	2021-04-21
22 April 2021 Update on the VIAQ cabin air quality method validation (CabinAir) VIAQ-22-06	VIAQ-22-06	2021-04-22
27 April 2021 VIAQ: Methodology of PM measurements in real driving conditions (Stellantis) VIAQ-22-10	VIAQ-22-10	2021-04-27
27 April 2021 Air Treatment for Vehicle Interior Air Quality (Renault) VIAQ-22-11	VIAQ-22-11	2021-04-27
14 May 2021 Minutes of the 22nd VIAQ informal group session VIAQ-22-12	VIAQ-22-12	2021-05-14
3 June 2021 MR3: IWG VIAQ (Vehicle Interior Air Quality) Status Report GRPE-83-23	GRPE-83-23	2021-06-03
17 November 2021 Invitation to the 23rd VIAQ informal group session VIAQ-23-01/Rev.1	VIAQ-23-01/Rev.1	2021-11-17
17 November 2021 Agenda for the 23rd VIAQ informal group session VIAQ-23-02/Rev.3	VIAQ-23-02/Rev.3	2021-11-17
28 October 2021 VIAQ experts feedback table VIAQ-23-09	VIAQ-23-09	2021-10-28
29 October 2021 VIAQ informal group progress report VIAQ-23-03	VIAQ-23-03	2021-10-29
8 November 2021 VIAQ: Measurement of inside and outside PM concentration with one DRX aerosol monitor (NAMI) VIAQ-23-07	VIAQ-23-07	2021-11-08
29 October 2021 VIAQ informal group feedback on text methodology, conditions, and equipment VIAQ-23-08	VIAQ-23-08	2021-10-29
8 November 2021 Reproduction of traffic pollution on a test bench (CERTAM) VIAQ-23-10	VIAQ-23-10	2021-11-08
8 November 2021 Definition of protocol for vehicle in-cabin air quality measurements (ESTACA) VIAQ-23-11	VIAQ-23-11	2021-11-08
25 November 2021 Controllable Lab Test Environment for Assessing Cabin Air Quality regarding PM2.5 and CO2 (Fraunhofer) VIAQ-23-05	VIAQ-23-05	2021-11-25
8 November 2021 CEN Workshop 103: Validation of proposed cabin air quality assessment method (Emissions Analytics) VIAQ-23-06	VIAQ-23-06	2021-11-08
8 November 2021 Feasibility test on measuring in-vehicle pollutants in Korea (KATRI) VIAQ-23-04	VIAQ-23-04	2021-11-08
22 December 2021 Minutes of the 23rd VIAQ informal group session VIAQ-23-12	VIAQ-23-12	2021-12-22
22 December 2021 Status report of the VIAQ informal group GRPE-85-26	GRPE-85-26	2021-12-22