f. p. chee, m. c.-g. ooi, y. j. wong, j. sentian, j. dayou, m. t. latif & j. h.-w. chang.  (2025).  international journal of environmental science and technology .  - modelling climatic variable impacts on ground-level ozone in malaysia using backward trajectory and generative additive models.  6021 - 6048. 

natasha arina, norfazrin mohd hanif, yet yin hee, murnira othman, maggie chel gee ooi, masni mohd ali, khairiatul mardiana jansar, mohd talib latif.  (2025).  microplastics contamination in coastal environment of southeast asia: a systematic review.  - physics and chemistry of the earth.  1 - 11. 

nanchi shen, jiani tan, qing mu, ling huang, wenbo xue, yangjun wang, maggie chel gee ooi, mohd talib latif, gang yan, lam yun fat nicky, li li.  (2025).  recommendations on benchmarks for the denitrification–decomposition model application in china: insights from literature analysis.  - environmental modelling & software.  1 - 12. 

jackson hian-wui chang, yong jie wong, maggie chel-gee ooi, saginela ravindra babu, shantanu kumar pani, neng-huei lin.  (2024).  biomass burning in critical fire region over the maritime continent from 2012 to 2021: a review of the meteorological influence and cloud-aerosol-radiation interactions.  - atmospheric environment.  1-18. 

yixiao chen, andy chan, chei gee ooi, li li, fang yenn teo.  (2024).  assessments of the wrf model in simulating 2021 extreme rainfall episode in malaysia.  - air quality atmosphere and health.  257-281. 

linghuang, yonghui zhu, hanqing liu, yangjun wang, david t. allen, maggie chel gee ooi, kasemsan manomaiphiboone, mohd talib latif, andy chan, li li.  (2023).  assessing the contribution of open crop straw burning to ground-level ozone and associated health impacts in china and the effectiveness of straw burning bans.  - environmental international.  1-9. 

qing li, kun zhang, rui li, liumei yang, yanan yi, zhiqiang liu, xiaojuan zhang, jialiang feng, qiongqiong wang, wu wang, ling huang, yangjun wang, shunyao wang, hui chen, andy chan, mohd talib latif, maggie chel gee ooi, li li, et al..  (2023).  underestimation of biomass burning contribution to pm2.5 due to its chemical degradation based on hourly measurements of organic tracers: a case study in the yangtze river delta (yrd) region, china.  - science of the total environment.  1-12. 

yong jie wong, ali yeganeh, min yan chia, huan yu shiu, maggie chel gee ooi, jackson hian hui chang, yoshihisa shimizu, homma ryosuke, sophal try, ahmed elbeltagi.  (2023).  quantification of covid-19 impacts on no2 and o3: systematic model selection and hyperparameter optimization on ai-based meteorological-normalization methods.  - atmospheric environment.  1-20. 

yijing zheng, maggie chel gee ooi, liew juneng, hin boo wee, mohd talib latif, mohd shahrul mohd nadzir, norfazrin mohd hanif, andy chan, li li, norfazilah binti ahmad, fredolin tangang.  (2023).  assessing the impacts of climate variables on long-term air quality trends in peninsular malaysia.  - science of the total environment.  1-16. 

steven soon-kai kong, shantanu kumar pani, stephen m. griffith, chang-feng ou-yang, saginela ravindra babu, ming-tung chuang, maggie chel gee ooi, wei-syun huang, guey-rong sheu, neng-huei lin.  (2022).  distinct transport mechanisms of east asian dust and the impact on downwind marine and atmospheric environments.  - science of the total environment.  1-15. 

li li, ansheng zhu, ling huang, qing wang, yixiao chen, maggie chel gee ooi, min wang, yangjun wang, andy chan.  (2022).  modeling the impacts of land use land cover change on meteorology and air quality during 2000 to 2018 in the yangtze river delta region, china.  - science of the total environment.  1-16. 

nur nazmi liyana mohd napi, maggie chel gee ooi, mohd latif talib, ju neng liew, mohd shahrul mohd nadzir, andy chan, li li, samsuri abdullah.  (2022).  aerosol species contribution to 2019 haze episodes over east coast peninsular malaysia.  - aerosol and air quality research.  1-50. 

nasim hossein hamzeh, abbas ranjbar saadat abadi, maggie chel gee ooi, maral habibi, wolfgang schöner.  (2022).  analyses of a lake dust source in the middle east through models performance.  - remote sensing.  1-26. 

yong jie wong, huan-yu shiu, jackson hian-hui chang, maggie chel gee ooi, hsueh-hsun li, ryosuke homma, yoshihisa shimizu, pei te chiueh, luksanaree maneechot, nik meriam nik sulaiman.  (2022).  spatiotemporal impact of covid-19 on taiwan air quality in the absence of a lockdown: influence of urban public transportation use and meteorological conditions.  - journal of cleaner production.  1-17. 

sijia yin, xin yi, li li, ling huang, maggie chel gee ooi, yangjun wang, david t. allen, david streets.  (2022).  an updated anthropogenic emission inventory of reactive chlorine precursors in china.  - acs earth and space chemistry.  1846-1857. 

esmaeel adrah, wan shafrina wan mohd jaafar, hamdan omar, shaurya bajaj, rodrigo vieira leite, siti munirah mazlan, carlos alberto silva, maggie chel gee ooi, mohd nizam mohd said, khairul nizam abdul maulud, adrian cardil, midhun mohan.  (2022).  analyzing canopy height patterns and environmental landscape drivers in tropical forests using nasas gedi spaceborne lidar.  - remote sensing.  1-22. 

aulia nisaul khoir, maggie chel gee ooi, liew juneng, m agfi isra ramadhan, rista hernandi virgianto, fredolin tangang.  (2022).  spatio-temporal analysis of aerosol optical depth using rotated empirical orthogonal function over the maritime continent from 2001 to 2020.  - atmospheric environment.  1-13. 

anis asma ahmad mohtar, mohd talib latif, doreena dominick maggie chel gee ooi, azliyana azhari, nor hafizah baharudin, norfazrin mohd hanif, jing xiang chung, liew juneng.  (2022).  spatiotemporal variations of particulate matter and their association with criteria pollutants and meteorology in malaysia.  - aerosol and air quality research.  1-20. 

yi, xin, yin, sijia, huang, ling, li, hongli, wang, yangjun, wang, qian, chan, andy, traoré, dramane, ooi, maggie chel gee, chen, yonghang, allen, david t, li, li.  (2021).  anthropogenic emissions of atomic chlorine precursors in the yangtze river delta region , china.  - science of the total environment.  1-10. 

steven soon-kai kong, joshua s.fu, xinyi dong, ming-tung chuang, maggie chel gee ooi, wei-syun huang, stephen m. griffith, shantanu kumar pani, neng-huei lin.  (2021).  sensitivity analysis of the dust emission treatment in cmaqv5.2.1 and its application to long-range transport over east asia.  - atmospheric environment.  1-16. 

norfazrin mohd hanif, nor syamimi sufiera limi hawari, murnira othman, haris hafizal abd hamid , fatimah ahamad, royston uning, maggie chel gee ooi, muhammad ikram a wahab, mazrura sahani, mohd talib latif.  (2021).  ambient volatile organic compounds in tropical environments: potential sources, composition and impacts - a review.  - chemosphere.  1-12. 

ooi, maggie chel gee, chuang, ming-tung, fu, joshua s., kong, steven s., huang, wei-syun, wang, sheng-hsiang, chan, andy, pani, shantanu kumar, lin, neng-huei.  (2021).  improving prediction of trans-boundary biomass burning plume dispersion: from northern peninsular southeast asia to downwind western north pacific ocean.  - atmospheric chemistry and physics.  12521-12541. 

mohd shahrul mohd nadzir, mohd zaim mohd nor, mohd fadzil firdzaus mohd nor, muhamad ikram a wahab,sawal hamid md ali, muhsin kolapo otuyo,mohd aftar abu bakar,lip huat saw,shubhankar majumdar,maggie chel ge.  (2021).  risk assessment and air quality study during different phases of covid-19 lockdown in an urban area of klang valley, malaysia.  - sustainability.  1-22. 

li li, qing li, ling huang, qian wang, ansheng zhu, jian xu, ziyi liu, hongli li, lishu shi, rui li, majid azari, yangjun wang, xiaojuan zhang, zhiqiang liu, yonghui zhu, kun zhang, shuhui xue, maggie chel gee ooi, dongping zhang, andy chan.  (2020).  air quality changes during the covid-19 lockdown over the yangtze river delta region: an insight into the impact of human activity pattern changes on air pollution variation.  - science of the total environment.  1-11. 

mohd shahrul mohd nadzir,maggie chel gee ooi, kemal maulana alhasa, mohd aftar abu bakar, anis asma ahmad mohtar, mohd fadzil firdzaus mohd nor, mohd talib latif, haris hafizal abd hamid, sawal hamid md ali, noratiqah mohd ariff,johary anuar,fatimah ahama.  (2020).  the impact of movement control order (mco) during pandemic covid-19 on local air quality in an urban area of klang valley, malaysia.  - aerosol and air quality research.  1237-1248. 

mingtung chuang, maggie chel gee ooi, nenghuei , joshua s. fu, chungte lee, shenghsiang wang, mingcheng yen, steven soon kai kong, weisyun huang.  (2020).  study the impact of three asian industrial regions on pm2.5 in taiwan and the process analysis during transport.  - atmospheric chemistry and physics.  14947-14967.