Escalation of Urban Air Pollution in Ghaziabad: A Comparative Analysis of 2024-2025

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Published: 2026-03-15
Keywords:
spatio-temporal variation, PM and Air Quality

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Yachna Tyagi
Govt. PG College, Noida (U.P.), India

Abstract

Air pollution has taken a disastrous form in NCR region of India. The effect of increasing and prolonged concentration of air pollutant in atmosphere is affecting people’s health. One of such region which is highly affected with this problem is “Ghaziabad”, one of the important cities of NCR, India. There are four measuring sites working in Ghaziabad. This paper presents a study of spatio-temporal variations of atmospheric pollutants recorded at all four sites during 2024-25 by CPCB. In comparison to 2024, the year 2025 observed increased values of pollutants PM2.5 (~20%), PM₁₀ (~20%), NO₂ (~12%), SO₂ (~22%), and CO (~13%). On the other hand, a decrease of (~35%) is recorded in Benzene. The study shows that in 2024, PM₂.₅ is shows a strong correlation with NO₂ (r = 0.67) and benzene (r = 0.69), which is highlighting a noteworthy effect of vehicles while 2025 shows a reduced PM₂.₅–NO₂ correlation (r = 0.43) and a bit enhanced correlations with CO (r = 0.47) and SO₂ (r = 0.42), that reflects a shift towards from combustion and secondary processes.

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Vol. 30 No. 1 (2026): Table of Content

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1.
Escalation of Urban Air Pollution in Ghaziabad: A Comparative Analysis of 2024-2025. J. Int. Acad. Phys. Sci. [Internet]. 2026 Mar. 15 [cited 2026 Oct. 23];30(1):35-53. Available from: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/506

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