Taipei--Air quality was mixed around Taiwan Monday, with only parts of Taichung City and Taitung, Hsinchu, Miaoli Counties enjoying good air quality, according to the Environmental Protection Administration's (EPA's) Taiwan Air Quality Monitoring Network.
As of 10 a.m., air quality in the islands of Matsu, Kinmen and and most parts of the southwestern regions of Yunlin, Chiayi, Tainan and Kaohsiung was unhealthy for sensitive groups such as young children, the elderly and people with a chronic disease, according to the network (http://taqm.epa.gov.tw/taqm/en/).
For the rest of the country, including the offshore county of Penghu and Yilan and Hualien Counties in eastern Taiwan, the air quality was moderate.
For Tuesday, the eastern half of Taiwan is expected to enjoy good air quality while that in Kaohsiung and Pingtung in southern Taiwan could be unhealthy for the general public.
Central Taiwan and the southern regions of Yunlin, Chiayi and Tainan are expected to flash orange, indicating the air is unhealthy for sensitive groups, while in northern Taiwan including Hsinchu and Miaoli Counties, the air quality will be moderate.
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 a pollutant reading of less than 50; yellow indicates "moderate" at 50-100; orange means "unhealthy for sensitive groups" with a reading of 101-150; red indicates "unhealthy" with a range of 151-200; purple signifies "very unhealthy" with a level of 201-300; maroon represents "hazardous" with a reading of 301-500.
Source: Focus Taiwan News Channel