haze meter

例句：

1. 1.The city's air quality has been significantly improved since the implementation of the new regulations.
   自从实施了新的法规，城市的空气质量已经显著改善。
2. 2. The haze meter reading indicates that the air pollution levels are still high in this area.
   雾度计读数表明，该地区的空气污染水平仍然很高。
3. 3. The government is considering introducing a new law to regulate the production and use of certain chemicals, as part of its efforts to reduce air pollution.
   政府正在考虑引入一项新法律，以规范某些化学物质的生产和使用，作为其减少空气污染努力的一部分。