Long-Term Air Pollution Characteristics and Multi-scale Meteorological Factor Variability Analysis of Mega-mountain Cities in the Chengdu-Chongqing Economic Circle.

Water Air Soil Pollut · 2023 · PMC10175934 · PMID 37200574

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an increasing trendno p-value reported

This also shows that the city's SO 2 has been significantly reduced, and NO 2 emissions have shown an increasing trend.

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