Taipei--Air quality was good or fair around Taiwan on Wednesday with northern areas seeing moderate air quality, according to the Environmental Protection Administration's Taiwan Air Quality Monitoring Network.
As of 10 a.m, air quality flashed yellow at monitoring stations in several districts of Greater Taipei and Taoyuan, the northern counties of Hsinchu and Miaoli, and island groups of Kinmen and Matsu, indicating moderate air quality, according to the network (http://taqm.epa.gov.tw/taqm/en/).
Air quality flashed green, meaning good, in the rest of the country, the data shows.
The EPA's six-color scale takes into account ozone, PM2.5 and PM10 particulates, carbon monoxide, sulfur dioxide and nitric oxide concentrations in the air.
Green represents good air quality with an index reading of 0-50; yellow indicates moderate quality with a reading of 50-100; orange means unhealthy air quality for sensitive groups with a reading of 101-150; red indicates unhealthy with a range of 151-200; purple signifies very unhealthy levels at 201-300; and maroon represents hazardous levels with a reading of 301-500.
Source: Focus Taiwan News Channel