This level of pollution means the air will affect healthy people and seriously impact those with existing diseases....
The government prescribes a" safe" PM2.5 reading at 60 micrograms per cubic meter of air over a period of 24 hours. PM2.5 is small enough to travel deep into the lungs, enter the bloodstream and can cause severe respiratory diseases, including lung cancer....
Air quality might worsen if farm fires continued, as the SAFAR model forecasts calm wind conditions, Beig said....
综合
星报-世界
2021-11-12 00:00:00.0
