Staggered-peak production is a mixed blessing in the control of particulate matter pollution.

ABSTRACT: Staggered-peak production (SP)-a measure to halt industrial production in the heating season-has been implemented in North China Plain to alleviate air pollution. We compared the variations of PM₁ composition in Beijing during the SP period in the 2016 heating season (SP_hs) with those in the normal production (NP) periods during the 2015 heating season (NP_hs) and 2016 non-heating season (NP_nhs) to investigate the effectiveness of SP. The PM₁ mass concentration decreased from 70.0 ± 54.4 μg m^-3 in NP_hs to 53.0 ± 56.4 μg m^-3 in SP_hs, with prominent reductions in primary emissions. However, the fraction of nitrate during SP_hs (20.2%) was roughly twice that during NP_hs (12.7

SUBMITTER: Wang Y 

PROVIDER: S-EPMC9739352 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature