{"id":{"repo_id":"unr","oai_identifier":"oai:scholarwolf.unr.edu:11714/3118"},"canonical_url":"https://search.dev.ndltd.org/etd/unr/oai:scholarwolf.unr.edu:11714/3118","repository":{"repo_id":"unr","name":"University of Nevada - Reno","base_url":"https://scholarwolf.unr.edu/server/oai/request"},"display":{"title":"Time Series Analysis of Fine Particulates Matter (PM2.5) in Chaoyang District of Beijing","abstract":"Air pollution in Beijing is becoming hard to ignore, however, there are no long-term studies examining the particle pollution such as PM 2.5 concentration. This study describes current and predicts future PM 2.5 pollution for a three-year period, 1st January 2010 to 31st December 2012, from the U.S. Embassy monitoring site in Chaoyang, Beijing. We calculated the 24-hour and annual PM2.5 concentrations under EPA method and using the Box-Jenkins method to build a SARIMA model (Seasonal Autoregressive Integrated Moving Average). The results showed the PM2.5 concentration decreased from 2010 to 2012. The 24-hour PM2.5 concentration was 294&#956;g/m³, ranged from 265.2&#956;g/m³ to 318.5&#956;g/m³. And the annual PM2.5 concentration was 94.5&#956;g/m³ which yearly range from 89.5&#956;g/m³ to 99.0&#956;g/m³ and the quarterly value from 73.1&#956;g/m³ to 108.6&#956;g/m³. The 24-hours and annual concentration is about 7 to 8 times higher than the US National Ambient Air Quality Standard (NAAQS). There is an urgent need for long-term studies to guide policy makers to improve the air quality in Beijing.","abstract_html":"Air pollution in Beijing is becoming hard to ignore, however, there are no long-term studies examining the particle pollution such as PM 2.5 concentration. This study describes current and predicts future PM 2.5 pollution for a three-year period, 1st January 2010 to 31st December 2012, from the U.S. Embassy monitoring site in Chaoyang, Beijing. We calculated the 24-hour and annual PM2.5 concentrations under EPA method and using the Box-Jenkins method to build a SARIMA model (Seasonal Autoregressive Integrated Moving Average). The results showed the PM2.5 concentration decreased from 2010 to 2012. The 24-hour PM2.5 concentration was 294&amp;#956;g/m³, ranged from 265.2&amp;#956;g/m³ to 318.5&amp;#956;g/m³. And the annual PM2.5 concentration was 94.5&amp;#956;g/m³ which yearly range from 89.5&amp;#956;g/m³ to 99.0&amp;#956;g/m³ and the quarterly value from 73.1&amp;#956;g/m³ to 108.6&amp;#956;g/m³. The 24-hours and annual concentration is about 7 to 8 times higher than the US National Ambient Air Quality Standard (NAAQS). There is an urgent need for long-term studies to guide policy makers to improve the air quality in Beijing.","abstract_has_math":false,"creators":["Peng, Yang"],"institution":null,"degree_name":null,"degree_level":"Master's Degree","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Yang, Wei"],"committee_chairs":[],"committee_members":["Samburova, Vera","Gagen, Julie Smith"],"year":2013,"date_issued":"2013","date_published":"2013","updated_at":"2026-07-27T21:46:08Z","subjects":["Beijing air pollution","PM2.5","time series analysis"],"languages":[],"rights":["In Copyright(All Rights Reserved)"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11714/3118","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Yang, Wei"]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Samburova, Vera","Gagen, Julie Smith"]},{"key":"dc:creator","label":"Author","values":["Peng, Yang"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-05-01T12:28:46Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2018-05-01T12:28:46Z"]},{"key":"dc:date.issued","label":"Date","values":["2013"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Master's Degree"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Beijing air pollution","PM2.5","time series analysis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["In Copyright(All Rights Reserved)"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11714/3118"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Air pollution in Beijing is becoming hard to ignore, however, there are no long-term studies examining the particle pollution such as PM 2.5 concentration. This study describes current and predicts future PM 2.5 pollution for a three-year period, 1st January 2010 to 31st December 2012, from the U.S. Embassy monitoring site in Chaoyang, Beijing. We calculated the 24-hour and annual PM2.5 concentrations under EPA method and using the Box-Jenkins method to build a SARIMA model (Seasonal Autoregressive Integrated Moving Average). The results showed the PM2.5 concentration decreased from 2010 to 2012. The 24-hour PM2.5 concentration was 294&#956;g/m³, ranged from 265.2&#956;g/m³ to 318.5&#956;g/m³. And the annual PM2.5 concentration was 94.5&#956;g/m³ which yearly range from 89.5&#956;g/m³ to 99.0&#956;g/m³ and the quarterly value from 73.1&#956;g/m³ to 108.6&#956;g/m³. The 24-hours and annual concentration is about 7 to 8 times higher than the US National Ambient Air Quality Standard (NAAQS). There is an urgent need for long-term studies to guide policy makers to improve the air quality in Beijing."]},{"key":"dc:format","label":"Dc Format","values":["PDF"]},{"key":"dc:title","label":"Title","values":["Time Series Analysis of Fine Particulates Matter (PM2.5) in Chaoyang District of Beijing"]}]}],"canonical_facts":{"dc:contributor.advisor":["Yang, Wei"],"dc:contributor.committeemember":["Samburova, Vera","Gagen, Julie Smith"],"dc:creator":["Peng, Yang"],"dc:date.accessioned":["2018-05-01T12:28:46Z"],"dc:date.available":["2018-05-01T12:28:46Z"],"dc:date.issued":["2013"],"dc:description.abstract":["Air pollution in Beijing is becoming hard to ignore, however, there are no long-term studies examining the particle pollution such as PM 2.5 concentration. This study describes current and predicts future PM 2.5 pollution for a three-year period, 1st January 2010 to 31st December 2012, from the U.S. Embassy monitoring site in Chaoyang, Beijing. We calculated the 24-hour and annual PM2.5 concentrations under EPA method and using the Box-Jenkins method to build a SARIMA model (Seasonal Autoregressive Integrated Moving Average). The results showed the PM2.5 concentration decreased from 2010 to 2012. The 24-hour PM2.5 concentration was 294&#956;g/m³, ranged from 265.2&#956;g/m³ to 318.5&#956;g/m³. And the annual PM2.5 concentration was 94.5&#956;g/m³ which yearly range from 89.5&#956;g/m³ to 99.0&#956;g/m³ and the quarterly value from 73.1&#956;g/m³ to 108.6&#956;g/m³. The 24-hours and annual concentration is about 7 to 8 times higher than the US National Ambient Air Quality Standard (NAAQS). There is an urgent need for long-term studies to guide policy makers to improve the air quality in Beijing."],"dc:format":["PDF"],"dc:identifier.uri":["http://hdl.handle.net/11714/3118"],"dc:rights":["In Copyright(All Rights Reserved)"],"dc:subject":["Beijing air pollution","PM2.5","time series analysis"],"dc:title":["Time Series Analysis of Fine Particulates Matter (PM2.5) in Chaoyang District of Beijing"],"dc:type":["Thesis"],"thesis:degree_level":["Master's Degree"]},"updated_at":"2026-07-27T21:46:08Z"}