| ADS | Asian dust storm |
| EPA | Taiwan Environmental Protection Administration |
| TEOM | Tapered Element Oscillating Microbalance |
| CI | Confidence interval |
| ER | Emergency room |
| ICD-9 | International Classification of Diseases, 9th Revision |
| NO2 | Nitrogen dioxide |
| NOx | Nitrogen oxides |
| PM2.5 | Fine particulate matters with an aerodynamic diameter of less than 2.5 μm |
| SO2 | Sulfur dioxide |
| CO | Carbon monoxide |
| O3 | Ozone |
| ADT | Average daily temperature |
| DTR | Diurnal temperature range |
| RH | Relative humidity |
| CVD | Cardiovascular diseases |
| RD | Respiratory diseases |
| WHO | World Health organization |
| NHI | National Health Insurance |
| OR | Odds ratios |
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