China mandated dust-proof nets (DPNs) on construction sites to combat air pollution.
We used satellite data and machine learning to find DPNs use surged after the 2017 policy.
This policy helped avoid over 26,836 premature deaths from 2017 to 2021.
DPNs are a cost-effective clean air tool with great potential for wider use.
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Spatial distribution of DPNs
The DPN area from 2016 to 2021.
The actual DPN area and potential DPN area in the NCP and other regions from 2016 to 2021.
The PM emission reductions from DPNs and other sources
Contribution of DPNs to the reduction of PM2.5 concentrations
Contribution of DPNs to the reduction of PM10 concentrations. a PM10 concentration reductions in 2016. b PM10 concentration reductions in 2019.
The population benefited from PM-reduction and avoided premature mortalities attribute to DPNs from 2017 to 2021.