Articles | Volume 21, issue 21
https://doi.org/10.5194/acp-21-16219-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-16219-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Measurement report
| 
04 Nov 2021
Measurement report |
| 04 Nov 2021
| 04 Nov 2021
Measurement report: Spatiotemporal and policy-related variations of PM2.5 composition and sources during 2015–2019 at multiple sites in a Chinese megacity
Xinyao Feng
State Environmental Protection Key Laboratory of Urban Ambient Air
Particulate Matter Pollution Prevention and Control, College of
Environmental Science and Engineering, Nankai University, Tianjin, 300350,
China
Yingze Tian
CORRESPONDING AUTHOR
State Environmental Protection Key Laboratory of Urban Ambient Air
Particulate Matter Pollution Prevention and Control, College of
Environmental Science and Engineering, Nankai University, Tianjin, 300350,
China
CMA-NKU Cooperative Laboratory for Atmospheric Environment-Health Research (CLAER/CMA-NKU), Tianjin, 300350, China
Qianqian Xue
State Environmental Protection Key Laboratory of Urban Ambient Air
Particulate Matter Pollution Prevention and Control, College of
Environmental Science and Engineering, Nankai University, Tianjin, 300350,
China
Danlin Song
Chengdu Research Academy of Environmental Sciences, Chengdu, 610072, China
Fengxia Huang
Chengdu Research Academy of Environmental Sciences, Chengdu, 610072, China
Yinchang Feng
State Environmental Protection Key Laboratory of Urban Ambient Air
Particulate Matter Pollution Prevention and Control, College of
Environmental Science and Engineering, Nankai University, Tianjin, 300350,
China
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Cited
18 citations as recorded by crossref.
- Quantifying the seasonal variations in and regional transport of PM2.5 in the Yangtze River Delta region, China: characteristics, sources, and health risks Y. Zhan et al. 10.5194/acp-23-9837-2023
- PM2.5 source apportionment using organic marker-based chemical mass balance modeling: Influence of inorganic markers and sensitivity to source profiles Y. Tian et al. 10.1016/j.atmosenv.2022.119477
- Variations of inhalation risks during different heavy pollution episodes based on 3-year measurement of toxic components in size-segregated particles Q. Xue et al. 10.1016/j.scitotenv.2023.163234
- Exploring PM2.5 pollution in a representative Northern Chinese county: Insights for air quality management J. Ma et al. 10.1016/j.apr.2025.102470
- Comprehensive understanding on sources of high levels of fine particulate nitro-aromatic compounds at a coastal rural area in northern China Y. Jiang et al. 10.1016/j.jes.2022.09.033
- Magnetic characteristics of atmospheric particulate matter and its indication of atmospheric pollution during winter in Lanzhou, NW China B. Wang et al. 10.1016/j.atmosenv.2023.120277
- Impact of Clean Air Policy on Criteria Air Pollutants and Health Risks Across China During 2013–2021 R. Li et al. 10.1029/2023JD038939
- Separating Daily 1 km PM2.5 Inorganic Chemical Composition in China since 2000 via Deep Learning Integrating Ground, Satellite, and Model Data J. Wei et al. 10.1021/acs.est.3c00272
- Quantifying role of source variations on PM2.5-bound toxic components under climate change: Measurement at multiple sites during 2018–2022 in a Chinese megacity X. Feng et al. 10.1016/j.jhazmat.2025.138584
- High spatial-resolved source-specific exposure and risk in the city scale: Influence of spatial interrelationship between PM2.5 sources and population on exposure X. Feng et al. 10.1016/j.scitotenv.2024.171873
- Fine particulate matter (PM2.5) induces microRNA-192–5p causing glomerular damage M. Yarbakht et al. 10.1016/j.ecoenv.2025.118280
- Trends of source apportioned PM2.5 in Tianjin over 2013–2019: Impacts of Clean Air Actions Q. Dai et al. 10.1016/j.envpol.2023.121344
- Fireworks celebrations and air pollution: evidence from Chinese Lunar New Year Y. Li et al. 10.1080/09640568.2023.2268268
- Quantifying vehicle restriction related PM2.5 reduction using field observations in an isolated urban basin Y. Guo et al. 10.1088/1748-9326/ad2238
- Chemical characteristics and sources of PM2.5 in Hohhot, a semi-arid city in northern China: insight from the COVID-19 lockdown H. Zhou et al. 10.5194/acp-22-12153-2022
- Heavy metal emissions from on-road vehicles in Xia-Zhang-Quan metropolitan area in southeastern China from 2015 to 2060: impact of vehicle electrification Z. Wen et al. 10.1007/s11356-024-35772-8
- Diesel vehicle emission accounts for the dominate NO source to atmospheric particulate nitrate in a coastal city: Insights from nitrate dual isotopes of PM2.5 W. Zhang et al. 10.1016/j.atmosres.2022.106328
- Comparative source apportionment of PM2.5 for 2014/2019 at a plateau city: Implications for air quality improvement in high-altitude areas G. Zhang et al. 10.1016/j.apr.2023.101964
18 citations as recorded by crossref.
- Quantifying the seasonal variations in and regional transport of PM2.5 in the Yangtze River Delta region, China: characteristics, sources, and health risks Y. Zhan et al. 10.5194/acp-23-9837-2023
- PM2.5 source apportionment using organic marker-based chemical mass balance modeling: Influence of inorganic markers and sensitivity to source profiles Y. Tian et al. 10.1016/j.atmosenv.2022.119477
- Variations of inhalation risks during different heavy pollution episodes based on 3-year measurement of toxic components in size-segregated particles Q. Xue et al. 10.1016/j.scitotenv.2023.163234
- Exploring PM2.5 pollution in a representative Northern Chinese county: Insights for air quality management J. Ma et al. 10.1016/j.apr.2025.102470
- Comprehensive understanding on sources of high levels of fine particulate nitro-aromatic compounds at a coastal rural area in northern China Y. Jiang et al. 10.1016/j.jes.2022.09.033
- Magnetic characteristics of atmospheric particulate matter and its indication of atmospheric pollution during winter in Lanzhou, NW China B. Wang et al. 10.1016/j.atmosenv.2023.120277
- Impact of Clean Air Policy on Criteria Air Pollutants and Health Risks Across China During 2013–2021 R. Li et al. 10.1029/2023JD038939
- Separating Daily 1 km PM2.5 Inorganic Chemical Composition in China since 2000 via Deep Learning Integrating Ground, Satellite, and Model Data J. Wei et al. 10.1021/acs.est.3c00272
- Quantifying role of source variations on PM2.5-bound toxic components under climate change: Measurement at multiple sites during 2018–2022 in a Chinese megacity X. Feng et al. 10.1016/j.jhazmat.2025.138584
- High spatial-resolved source-specific exposure and risk in the city scale: Influence of spatial interrelationship between PM2.5 sources and population on exposure X. Feng et al. 10.1016/j.scitotenv.2024.171873
- Fine particulate matter (PM2.5) induces microRNA-192–5p causing glomerular damage M. Yarbakht et al. 10.1016/j.ecoenv.2025.118280
- Trends of source apportioned PM2.5 in Tianjin over 2013–2019: Impacts of Clean Air Actions Q. Dai et al. 10.1016/j.envpol.2023.121344
- Fireworks celebrations and air pollution: evidence from Chinese Lunar New Year Y. Li et al. 10.1080/09640568.2023.2268268
- Quantifying vehicle restriction related PM2.5 reduction using field observations in an isolated urban basin Y. Guo et al. 10.1088/1748-9326/ad2238
- Chemical characteristics and sources of PM2.5 in Hohhot, a semi-arid city in northern China: insight from the COVID-19 lockdown H. Zhou et al. 10.5194/acp-22-12153-2022
- Heavy metal emissions from on-road vehicles in Xia-Zhang-Quan metropolitan area in southeastern China from 2015 to 2060: impact of vehicle electrification Z. Wen et al. 10.1007/s11356-024-35772-8
- Diesel vehicle emission accounts for the dominate NO source to atmospheric particulate nitrate in a coastal city: Insights from nitrate dual isotopes of PM2.5 W. Zhang et al. 10.1016/j.atmosres.2022.106328
- Comparative source apportionment of PM2.5 for 2014/2019 at a plateau city: Implications for air quality improvement in high-altitude areas G. Zhang et al. 10.1016/j.apr.2023.101964
Latest update: 06 Jul 2025
Short summary
This study focused on PM2.5 compositions and sources and explored their spatiotemporal and policy-related variations based on observation at 19 sites during wintertime of 2015–2019 in a fast-developing megacity. We found that PM2.5 compositions for the outermost zone in 2019 were similar to those for the core zone 2 or 3 years ago. Percentage contributions of coal and biomass combustion dramatically declined in the core zone, while the traffic source showed an increasing trend.
This study focused on PM2.5 compositions and sources and explored their spatiotemporal and...
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