Some how I find it hard to believe that Seoul’s air quality is as good as Cheju’s even it was just for 50 days:
Seoul’s average fine dust level fell to a record low this year, thanks to the municipal government’s anti-pollution campaign and fewer outbreaks of yellow dust from China, officials said Friday.
On more than 50 days in the first four months of 2012, Seoul’s air quality improved to the level of Jeju Island, the southern resort island known for its pollution-free environment, the officials said.
The average concentration of particulate matters less than 10 microns in Seoul amounted to 52 micrograms per cubic meter in the January-April period, the lowest level since 1995 when the city’s first test produced a reading of 78 micrograms per cubic meter.
In 2003, the average dust concentration in Seoul reached 79 micrograms per cubic meter, while it dropped to 55 micrograms per cubic meter in 2010.
The Seoul Metropolitan Government attributed the gradual reduction of dust density to clean air drive by the city’s autonomous districts and a noticeable decline in yellow dust blowing from China. [Yonhap]
I do have to say though that every time I go back to visit Seoul the air quality and environment in general in the city is definitely improving but I am not about to believe that it is on par with Cheju island.