The impact and source of typical sand and dust storms weather on air quality in the Beijing-Tianjin-Hebei region

The impact and source of typical sand and dust storms weather on air quality in the Beijing-Tianjin-Hebei region | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article The impact and source of typical sand and dust storms weather on air quality in the Beijing-Tianjin-Hebei region Ruiguang Xu, XU Ruiguang, YANG Jiayi, Wang Lei, Zhao Yingfan, and 4 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-9380398/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 4 You are reading this latest preprint version Abstract Based on ambient air quality monitoring data, remote sensing data and sea level pressure field data, the impact of typical sand and dust storms (SDS) on urban air quality in the Beijing-Tianjin-Hebei region was analyzed using the HYSPLIT backward trajectory model, potential source contribution function (PSCF) and concentration-weighted trajectory (CWT).Furthermore, the WHCWT pollution source model was also introduced to simultaneously analyze pollution sources in multiple cities. The research results show that on March 15, 2021, the Beijing-Tianjin-Hebei region experienced an SDS lasting 28 hours, with Zhangjiakou, Beijing and Tianjin all showing strong SDS characteristics. A cold front passed through northern and northeastern China, generating strong winds and causing a drop in temperature near the front and its frontal zone.This further intensified and expanded the impact of the SDS. The strong winds associated with the cold front facilitated the transport of dust to the Beijing-Tianjin-Hebei region, leading to widespread SDS events. During the SDS, the hourly concentrations of PM 10 and PM 2.5 in 13 cities in the Beijing-Tianjin-Hebei region showed a "single peak" variation, The PM 10 concentration was 2.8 to 60.8 times that of the PM 2.5 concentration during the same period. Before the PM 10 concentration reached its peak,the ratio of PM 2.5 to PM 10 showed a downward trend, and the trough of this ratio lagged behind the peak of PM 10 by 1 to 2 hours. In addition, the hourly concentrations of SO 2 , NO 2 and CO decreased significantly during the SDS, while the O 3 concentration showed an upward trend after the SDS finished. The combined effect of the Mongolian cyclone and the high-pressure system caused the air mass to move southeast,impacting the Beijing-Tianjin-Hebei region with the SDS. This study can provide a reference for predicting the impact of SDS on air quality in 13 cities in the Beijing Tianjin Hebei region. Beijing-Tianjin-Hebei region Dust Air quality PM10 Full Text Cite Share Download PDF Status: Under Review Version 1 posted Reviewers invited by journal 05 May, 2026 Editor invited by journal 20 Apr, 2026 Editor assigned by journal 11 Apr, 2026 First submitted to journal 10 Apr, 2026 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-9380398","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":635134346,"identity":"720b1798-8112-4a86-ab57-ed5504b5b2c0","order_by":0,"name":"Ruiguang 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Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"Beijing-Tianjin-Hebei region, Dust, Air quality, PM10","lastPublishedDoi":"10.21203/rs.3.rs-9380398/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-9380398/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eBased on ambient air quality monitoring data, remote sensing data and sea level pressure field data, the impact of typical sand and dust storms (SDS) on urban air quality in the Beijing-Tianjin-Hebei region was analyzed using the HYSPLIT backward trajectory model, potential source contribution function (PSCF) and concentration-weighted trajectory (CWT).Furthermore, the WHCWT pollution source model was also introduced to simultaneously analyze pollution sources in multiple cities. The research results show that on March 15, 2021, the Beijing-Tianjin-Hebei region experienced an SDS lasting 28 hours, with Zhangjiakou, Beijing and Tianjin all showing strong SDS characteristics. A cold front passed through northern and northeastern China, generating strong winds and causing a drop in temperature near the front and its frontal zone.This further intensified and expanded the impact of the SDS. The strong winds associated with the cold front facilitated the transport of dust to the Beijing-Tianjin-Hebei region, leading to widespread SDS events. During the SDS, the hourly concentrations of PM\u003csub\u003e10\u003c/sub\u003e and PM\u003csub\u003e2.5\u003c/sub\u003e in 13 cities in the Beijing-Tianjin-Hebei region showed a \"single peak\" variation, The PM\u003csub\u003e10\u003c/sub\u003e concentration was 2.8 to 60.8 times that of the PM\u003csub\u003e2.5\u003c/sub\u003e concentration during the same period. Before the PM\u003csub\u003e10\u003c/sub\u003e concentration reached its peak,the ratio of PM\u003csub\u003e2.5\u003c/sub\u003e to PM\u003csub\u003e10\u003c/sub\u003e showed a downward trend, and the trough of this ratio lagged behind the peak of PM\u003csub\u003e10\u003c/sub\u003e by 1 to 2 hours. In addition, the hourly concentrations of SO\u003csub\u003e2\u003c/sub\u003e, NO\u003csub\u003e2\u003c/sub\u003e and CO decreased significantly during the SDS, while the O\u003csub\u003e3\u003c/sub\u003e concentration showed an upward trend after the SDS finished. The combined effect of the Mongolian cyclone and the high-pressure system caused the air mass to move southeast,impacting the Beijing-Tianjin-Hebei region with the SDS. This study can provide a reference for predicting the impact of SDS on air quality in 13 cities in the Beijing Tianjin Hebei region.\u003c/p\u003e","manuscriptTitle":"The impact and source of typical sand and dust storms weather on air quality in the Beijing-Tianjin-Hebei region","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2026-05-14 04:06:33","doi":"10.21203/rs.3.rs-9380398/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"reviewersInvited","content":"","date":"2026-05-06T02:51:06+00:00","index":"","fulltext":""},{"type":"editorInvited","content":"Aerosol Science and Engineering","date":"2026-04-20T12:31:13+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2026-04-11T06:54:43+00:00","index":"","fulltext":""},{"type":"submitted","content":"Aerosol Science and Engineering","date":"2026-04-10T09:54:57+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"aerosol-science-and-engineering","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"asen","sideBox":"Learn more about [Aerosol Science and Engineering](https://link.springer.com/journal/41810)","snPcode":"41810","submissionUrl":"https://www.editorialmanager.com/asen/default2.aspx","title":"Aerosol Science and Engineering","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false}}],"origin":"","ownerIdentity":"db2e8f9f-4c03-418b-8b7e-9ca64aa4da53","owner":[],"postedDate":"May 14th, 2026","published":true,"recentEditorialEvents":[{"type":"reviewersInvited","content":"","date":"2026-05-06T02:51:06+00:00","index":"","fulltext":""}],"rejectedJournal":[],"revision":"","amendment":"","status":"under-review","subjectAreas":[],"tags":[],"updatedAt":"2026-05-14T04:06:33+00:00","versionOfRecord":[],"versionCreatedAt":"2026-05-14 04:06:33","video":"","vorDoi":"","vorDoiUrl":"","workflowStages":[]},"version":"v1","identity":"rs-9380398","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-9380398","identity":"rs-9380398","version":["v1"]},"buildId":"XKTyCvWXoU3ODBz1xrDgd","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}