Read Previous Factly articles Article wise list of factly articles “World Air Quality Report, 2020” Released What is the News? IQ Air, a Swiss air quality technology company released a report titled “World Air Quality Report, 2020”. About World Air Quality Report: World Air Quality is an annual report. The report is based on PM2.5 … Continue reading Factly :-News Articles For UPSC Prelims | Mar 17, 2021