空气质量指数超过100对敏感人群不健康。敏感人群指的是患有哮喘和心脏疾病的人。
Anything over 100 could be considered unhealthy for sensitive groups. We're talking about people with asthma as well as heart conditions.
空气质量指数的范围从0到500，上限500表示空气质量最不健康。
The Air Quality Index runs from zero to 500, with 500 being the most unhealthy.
在空气污染指数与监测技术方面的进展比环境健康其它领域的进展更为显著。
Progress in developing indices and monitoring techniques for air pollution were further advanced than in most other areas of environmental health.
查阅现在的空气污染指数，保持健康！
这些机构从分布在城市中的监测站收集数据，计算出空气污染指数(AirPollution Index,API)。该指数在1- 500之间，数值越高就表明空气状况对人体健康的潜在危害程度越大。
These agencies collect data from monitoring stations around the city and calculate an Air Pollution Index (API) indicating the potential harm to human health, with a range of 1-500.
这些机构从分布在城市中的监测站收集数据，计算出空气污染指数(AirPollution Index,API)。该指数在1- 500之间，数值越高就表明空气状况对人体健康的潜在危害程度越大。
These agencies collect data from monitoring stations around the city and calculate an Air Pollution Index (API) indicating the potential harm to human health, with a range of 1-500.
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