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| Subject | English | Chinese |
| environ. | smog warning Action, device or announcement that serves to give caution or notice to the level of air pollutants typically associated with oxidants in a given area | 烟雾警报 (行动，设备或宣布等服务给予警告或通知空气污染物的水平。通常与某一地区氧化剂有关。) |
| wind. | smog warning | 烟雾警报 |
| tech. | smog warning | 烟雾注意警报 |
| ecol. | warning level for photochemical smog | 光化学烟雾警报标准 |
| tech. | warning level for spectrochemical smog | 光化学烟雾警报标准 |