Taipei--The air quality was poor in northern and southern Taiwan Sunday, and was unhealthy for the general public, especially young children, the elderly, and people with a chronic disease, according to the Environmental Protection Administration's Taiwan Air Quality Monitoring Network.
As of 10 a.m., poor air quality was detected in New Taipei and Taoyuan cities in the north; Yunlin, Chiayi, Tainan, Kaohsiung and Pingtung in the south; as well as the outlying counties of Matsu and Kinmen, the data on the monitoring network showed.
The air quality in Kaohsiung, Pingtung, Matsu and Kinmen were coded as "red," while the remaining areas detected with poor air quality were coded "orange" under the administration's six-color barometer.
The color scale takes into account ozone, PM2.5 and PM10 particulates, as well as carbon monoxide, sulfur dioxide and nitric oxide concentrations in the air.
Green represents "good" air quality, with a pollutant reading of 0-50; yellow indicates "moderate" at 51-100; 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