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人参与 | 时间：2026-11-05 19:40:37
- 生态环境部今天公布今年8月份全国空气质量状况。今年均空全国339个地级及以上城市平均空气质量优良天数比例为97.3%，月全同比上升1.7个百分点;平均重度及以上污染天数比例为0.1%，国平同比下降0.1个百分点。气质其他PM10、量优良天例臭氧、数比二氧化氮、今年均空一氧化碳等均有不同程度下降。月全国平
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