Latest Research News on Air Quality: Nov – 2019

Global Air Quality and Pollution

The impact of worldwide pollution on climate and therefore the setting could be a new focus in part science. worldwide transport and neural structure pollution by gas jeopardize agricultural and natural ecosystems worldwide and have a robust result on climate. Aerosols, that square measure unfold globally however have a robust regional imbalance, amendment international climate through their direct and indirect effects on radiative forcing. within the Nineteen Nineties, pollutant emissions from Asia surpassed those from North America and Europe and may still exceed them for many years. International initiatives to mitigate international pollution need participation from each developed and developing countries. [1]

Indoor air quality and health

During the last twenty years there has been increasing concern inside the scientific community over the results of indoor air quality on health. Changes in building style devised to boost energy potency have meant that fashionable homes and offices are oftentimes a lot of airtight than older structures. moreover, advances in construction technology have caused a far bigger use of artificial building materials. while these enhancements have light-emitting diode to more leisurely buildings with lower running prices, they conjointly offer indoor environments within which contaminants are promptly created and should build up to abundant higher concentrations than are found outside. [2]

Air quality model performance evaluation

This paper reviews ways to guage the performance of air quality models, that area unit tools that predict the fate of gases and aerosols upon their unharness into the atmosphere. as a result of the big economic, public health, and environmental impacts typically related to the utilization of air quality model results, it’s vital that these models be properly evaluated. [3]

Satellite UV-Vis spectroscopy: implications for air quality trends and their driving forces in China during 2005–2017

Abundances of a variety of air pollutants will be inferred from satellite UV-Vis spectrometry measurements by victimisation the distinctive absorption signatures of gas species. Here, we tend to enforced many spectral fitting strategies to retrieve tropospheric NO2, SO2, and HCHO from the gas observance instrument (OMI), with radiative simulations providing necessary info on the interactions of scattered star morality the atmosphere. we tend to analyzed the spatial  distribution and temporal trends of satellite-observed air pollutants over jap China throughout 2005–2017, particularly in heavily contaminated regions. we tend to found vital decreasing trends in NO2 and SO2 since 2011 over most regions, despite variable temporal options and turning points. [4]

Assessment of Ambient Air Quality and Noise Levels around Selected Oil and Gas Facilities in Nigeria

The study investigated close air quality and noise levels around Oil and Gas facilities in Ogba/Egbema/Ndoni authorities space (ONELGA), Rivers State. Seven stations as well as a sway were assessed for air quality and noise study. normal air sampling instruments were wont to collect samples with management web site settled 5km from the study space. The results indicated low noise levels within the host communities; whereas computed noise Leq around oil and gas facilities in Ebocha, OB/OB and turbine exceeded National Environmental Standards and Regulation social control Agency (NESREA) limit by ten.1%, 5.3% and 1.1% severally. The study discovered that SO2, NO2, PM10 and PM2.5 particulate square measure the foremost causes of pollution round the oil and gas facilities. SO2, NO2 and PM2.5 square measure the most explanation for pollution in Omoku city, while PM2.5 is that the main cause pollution in Obrikom and Ebocha communities. [5]

Reference

[1] Akimoto, H., 2003. Global air quality and pollution. Science, 302(5651), (Web Link)

[2] Jones, A.P., 1999. Indoor air quality and health. Atmospheric environment, 33(28), (Web Link)

[3] Chang, J.C. and Hanna, S.R., 2004. Air quality model performance evaluation. Meteorology and Atmospheric Physics, 87(1-3), (Web Link)

[4] Satellite UV-Vis spectroscopy: implications for air quality trends and their driving forces in China during 2005–2017
Chengxin Zhang, Cheng Liu, Qihou Hu, Zhaonan Cai, Wenjing Su, Congzi Xia, Yizhi Zhu, Siwen Wang & Jianguo Liu
Light: Science & Applications volume 8, Article number: 100 (2019) (Web Link)

[5] Ugbebor, J. N. and Yorkor, B. (2018) “Assessment of Ambient Air Quality and Noise Levels around Selected Oil and Gas Facilities in Nigeria”, Journal of Scientific Research and Reports, 18(6), (Web Link)

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