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Explora: Environment
and Resource Air pollution mitigation technologies

innovation into national and local governance systems. The and emphasizes the importance of continual innovation
importance of aligning national efforts with international and adaptation, guided by environmental, economic, and
best practices emerges as a recurrent theme in the reviewed social considerations.
literature, further supporting the call for cohesive and
harmonized policy actions. Acknowledgments
In summary, the evidence presented in this discussion None.
demonstrates that while a wide array of air pollution
control technologies and strategies is currently available, Funding
their ultimate success is largely dependent on thoughtful None.
integration, strong policy support, active public
engagement, and a nuanced understanding of the local Conflict of interest
context. The findings of this review not only corroborate The authors declare they have no competing interests.
previous research but also extend it by offering a synthesized,
holistic perspective that bridges conventional engineering Author contributions
solutions with emerging sustainable practices. In addition,
it identifies critical areas where further research, policy Conceptualization: All authors
Writing–original draft: All authors
innovation, and cross-sector collaboration are necessary to
address existing gaps and enhance the overall effectiveness Writing–review & editing: All authors
of air pollution mitigation efforts. Ethics approval and consent to participate

6. Conclusion Not applicable.
Air pollution remains an important environmental and Consent for publication
public health concern, with multiple factors contributing
to degraded air quality in both urban and industrial Not applicable.
settings. This study has reviewed several key technologies
for air pollution control, including ESPs, wet scrubbers, Availability of data
bag filters, and SCR systems, as well as alternative methods Not applicable.
such as biofiltration and activated carbon adsorption. In
addition, non-technical strategies, such as public awareness Further disclosure
and regulatory policies, were highlighted as essential This paper has been published at Preprints.org as a preprint
complements to technological interventions. Despite these under the title “Different methods and technologies of
developments, significant gaps remain. Many existing controlling air pollution – An overview” (doi: 10.20944/
technologies are either cost-prohibitive or limited in scope, preprints202402.1565.v1).
particularly when addressing mixed pollutant loads. The
impact of public awareness campaigns is often hampered References
by inadequate educational outreach and inconsistent 1. World Health Organization. Air Quality Guidelines: Global
implementation. Similarly, regulatory policies, while in Update 2021. Geneva: WHO; 2021. Available from: https://
place in many regions, frequently lack the enforcement www.who.int/publications/i/item/9789240034228 [Last
mechanisms necessary to achieve meaningful results. accessed on 2021 Sep 22].
Future progress should focus on improving the efficiency
and affordability of control technologies to facilitate 2. Mukundan A, Huang CC, Men TC, Lin FC, Wang HC. Air
pollution detection using a novel snap-shot hyperspectral
broader adoption, especially in developing countries. imaging technique. Sensors (Basel). 2022;2216:6231.
There is also a pressing need for integrative frameworks
that combine technological, behavioral, and policy-based doi: 10.3390/s22166231
approaches in a context-sensitive manner. Strengthening 3. Anwar MN, Shabbir M, Tahir E, et al. Emerging challenges of
monitoring systems, promoting community participation, air pollution and particulate matter in China, India, Pakistan
and reinforcing regulatory compliance mechanisms and mitigating solutions. J Hazard Mater. 2021;416:125851.
can amplify the overall impact of air pollution control doi: 10.1016/j.jhazmat.2021.125851
measures.
4. Leson G, Winer AM. Biofiltration: An innovative air
Overall, this study underscores the importance of a pollution control technology for VOC emissions. J Air Waste
multidimensional approach to air quality management Manag Assoc. 1991;418:1045-1054.

Volume 2 Issue 3 (2025) 9 doi: 10.36922/EER025210041