A 2014 Beijing study found that a 1 mm increase in rainfall intensity reduced PM2.5 levels by 4-28 per cent, highlighting the potential of such interventions in improving air qualityA 2014 Beijing study found that a 1 mm increase in rainfall intensity reduced PM2.5 levels by 4-28 per cent, highlighting the potential of such interventions in improving air quality Latest News [ SOBAN NEWS: International and National ]
