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- The concepts of API and air quality levels have been widely accepted by many countries and regions, but there are some differences because of different national air quality standards. 空气污染指数和级别概念已被很多国家或地区采用，但在具体级别限值和等级划分上因各国国家环境标准差异而有所不同。
- air quality level 空气质量水平
- Evaluate quality level of supplier. 对零部件供应商的质量水平评估。
- Indoor air quality can be improved efficiently. 可以有效提高室内空气品质。
- Ever wonder how good the air quality is today? 有想过今天的空气有多清新吗?
- Air quality is still within acceptable standards. 空气质素仍符合可接受标准。
- What's the air quality in your place? 你们那里的空气质量怎么样?
- Revise Air Quality Objective now! 请支持修订空气质素指标!
- We are monitoring the air quality. 我们在监测空气质量。
- Evaluate the quality level for power train parts supplier. 对动力传动件供应商的质量水平评估。
- The air quality has deteriorated these past few days. 前几天空气质量已下降。
- The ambient air quality: 90.7% of the bases is at clean level; 9.2% is good,and 0.3% is affected by light pollution. 空气环境质量：90.;7%25的基地处于清洁水平，9
- But real malware is still detected on a very high quality level. 但是，真正的恶意软件在很高的程度上仍然会被发现。
- The air quality in the urban areas picked up gradually. 城市空气质量逐步提高。
- Usage of Korean LG or Taiwan ABS to ensure quality level. 采用正宗韩国LG或者中国台湾省其美公司之高品质ABS塑胶。
- The air quality in the city is worse than the countryside. 城市里的空气质量不如乡下。
- Air quality in Hong Kong is typical of any large modern city. 香港的空气质素与其他现代化大都市相若。
- The ambient air quality: 90.7% of the bases is at clean level; 9.2% is good, and 0.3% is affected by light pollution. 空气环境质量：90.;7%25的基地处于清洁水平，9
- To monitor light, pollution, air quality and traffic flow. 监测公路上的照明、污染、空气质量和车流量。
- Hon Audrey EU raised a question on indoor air quality. 余若薇议员就室内空气质素提出质询。
