Asalam, Md, Nagar, Narendra, Das, Prasanta, Arif, Mohammad, Asapu, Ramesh. (1405). Biomagnetic Studies as a Low-Cost Proxy for Particulate Matter Monitoring in the Arid Desert Region: A Case Study from Western Rajasthan in India. , 12(3), 971-984. doi: 10.22059/poll.2026.413035.3314
Md Asalam; Narendra Nagar; Prasanta Das; Mohammad Arif; Ramesh Asapu. "Biomagnetic Studies as a Low-Cost Proxy for Particulate Matter Monitoring in the Arid Desert Region: A Case Study from Western Rajasthan in India". , 12, 3, 1405, 971-984. doi: 10.22059/poll.2026.413035.3314
Asalam, Md, Nagar, Narendra, Das, Prasanta, Arif, Mohammad, Asapu, Ramesh. (1405). 'Biomagnetic Studies as a Low-Cost Proxy for Particulate Matter Monitoring in the Arid Desert Region: A Case Study from Western Rajasthan in India', , 12(3), pp. 971-984. doi: 10.22059/poll.2026.413035.3314
Asalam, Md, Nagar, Narendra, Das, Prasanta, Arif, Mohammad, Asapu, Ramesh. Biomagnetic Studies as a Low-Cost Proxy for Particulate Matter Monitoring in the Arid Desert Region: A Case Study from Western Rajasthan in India. , 1405; 12(3): 971-984. doi: 10.22059/poll.2026.413035.3314

Biomagnetic Studies as a Low-Cost Proxy for Particulate Matter Monitoring in the Arid Desert Region: A Case Study from Western Rajasthan in India

Pollution
دوره 12، شماره 3، پاییز 2026، صفحه 971-984    اصل مقاله (1.39 M)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22059/poll.2026.413035.3314
نویسندگان
Md Asalam1؛ Narendra Nagar1؛ Prasanta Das2؛ Mohammad Arif2؛ Ramesh Asapu* 1
1Department of Chemical Engineering, Indian Institute of Technology Jodhpur, NH 62 Nagaur Road, Karwar, Jodhpur, Rajasthan, India
2Palaeomagnetism Laboratory, Birbal Sahni Institute of Palaeosciences, 53-University Road, Lucknow, Uttar Pradesh, India
چکیده
In this study, PM monitoring was performed by biomagnetic analysis of roadside plant leaves of Azadirachta indica A. Juss (neem tree) in the arid desert region of Jodhpur in western Rajasthan, India. This study used the remanent magnetisation of PM10 deposited on neem leaves as a proxy for PM biomonitoring. The saturation isothermal remanent magnetisation (SIRM) showed a strong linear relationship (Pearson's r = 0.9340, p = 0.006) with PM10 data from the low-cost PM sensor. Among six sampling sites, the highest PM10 concentration (88.8 ± 9.8 μg/m³) and SIRM value (7231.2 mA) were observed in the Basni industrial area, confirming the significance of vehicular and industrial emissions. Conversely, the IIT Jodhpur campus, isolated from anthropogenic sources, still exhibited high SIRM values (1904.4 mA), attributed to magnetite-type minerals transported via aeolian processes from the Thar Desert. SEM-EDS analysis further confirmed the presence of crustal minerals (Al, Si) alongside anthropogenic elements (Fe, K, Ca, Mg). A comparative financial study revealed that biomagnetic monitoring (~50,000 INR for ten sites) is significantly more economical than conventional CAAQMS (~110 million INR for ten stations). These findings demonstrate that biomagnetic monitoring offers a robust, low-cost proxy for PM10 mapping in arid desert regions, with strong implications for public health and environmental management.
کلیدواژه‌ها
Biomagnetic Monitoring؛ Remanent Magnetization؛ Air Quality؛ Aeolian Process؛ Jodhpur
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