When haze becomes the norm and masks become necessary, how should we improve air quality?
2019-10-24
According to statistics, nearly half of the world's people are exposed to indoor air pollution, and indoor environmental pollution has caused 35.7% of respiratory diseases,22% of chronic lung diseases and 15% of bronchitis, bronchitis and lung cancer.At present, the number of excess deaths caused by indoor air pollution in China has reached 111,000 every year, with an average of 304 people every day. The number of excess emergency visits has reached 4.3 million, and the direct and indirect economic losses have reached 10.7 billion us dollars.
Thus, household air purifier is very popular and necessary.