https://www.grab.com/my/ms/press/others/grab-and-panasonic-launch-integrated-campaign-to-promote-better-indoor-air-quality-in-southeast-asia/
Grab and Panasonic Launch Integrated Campaign to Promote Better Indoor Air Quality in Southeast...
Aug 17, 2021 - Grab collaborates with Panasonic Corporation to bring better in-car air quality and enhance overall in-car experience to GrabCar Premium users.
better indoor air quality
https://www.aljazeera.com/news/2020/3/7/coronavirus-control-efforts-linked-to-better-china-air-quality
Coronavirus control efforts linked to better China air quality | Coronavirus pandemic News | Al...
Outbreak forces closure of coal-fired power plants and industrial facilities, leading to a drop in pollution.