نتایج جستجو برای: شاخص aqi

تعداد نتایج: 74870  

Journal: :IET networks 2022

Air pollution is one of the biggest concerns in world but it has not been paid much attention developing countries. It necessary to design models and methods understand air countries reduce rate pollution. This paper proposes an Internet Things (IoT) Artificial Intelligence (AI)-based hybrid model predict Quality Index (AQI) with a practical case study public data sets. The sensor node deployed...

Journal: :IOP conference series 2021

Abstract Air quality Index (AQI) is a tool which implemented to assess the qualitative and quantitative status of air pollutants. Four distinctive pollutants; PM10, PM2.5, SO2 NO2 were used compare prevailing ambient in study region-Ludhiana, industrial city north Indian state Punjab. The AQI for Ludhiana has been compared and, data same obtained Punjab Agricultural University, from Central Pol...

Journal: :Atmosphere 2023

With the rapid development of economy and continuous improvement in people’s living standards, predictions air quality index have attracted wide attention. In this paper, a new feature selection method (Pearson-MI) combined model construction (modified inverse variance method) were proposed to study (AQI) its influencing factors Changchun. The Pearson-MI selects that affect AQI Changchun City f...

ژورنال: :مجله دانشگاه علوم پزشکی ایلام 0
علی عمارلویی a amarloei احمد جنیدی جعفری a jonidi jafari حسن اصیلیان مهابادی h asilian mohabadi خیراله اسدالهی kh asadollahi

چکیده مقدمه: طوفان های گرد و غبار یکی از مهم ترین منابع طبیعی آلودگی هوا در خاور میانه محسوب می شوند که باعث افزایش نگرانی عمومی در خصوص ایجاد عوارض بهداشتی شده اند. این مطالعه با هدف ارزیابی کمی و هم چنین تاثیر پدیده گرد و غبار بر کیفیت هوای شهر ایلام، انجام شد. مواد و روش ها: در این مطالعه غلظت pm10، pm2/5 و pm1 از اسفند 1391 به مدت یک سال اندازه گیری شد. سنجش هر شش روز یک بار و هم چنین در کل...

Journal: :Journal of Artificial Intelligence and Soft Computing Research 2020

Journal: :Regional Science and Urban Economics 2021

We use panel data from Germany to analyze the effect of population density on urban air pollution (nitrogen oxides, particulate matter, ozone, and an aggregate index for bad quality [AQI]). To address unobserved heterogeneity omitted variables, we present long difference/fixed effects estimates instrumental variables estimates, using historical soil as instruments. Using our preferred find that...

Journal: :IEEE Journal on Selected Areas in Communications 2021

A versatile scheduling problem to model a three-way tradeoff between age of information (AoI), quality/distortion, and energy is considered. The considered called the quality (AQI) select which packets transmit at each time slot minimize linear combination utility driven by quality, AoI, transmission cost in an online fashion. AQI combines tradeoffs from some important distinct problems, such a...

Journal: :Atmosphere 2023

Aerosol Optical Depth (AOD), quantifying the amount of aerosol in atmosphere, is widely regarded as a crucial indicator for research on atmospheric physics and regional air quality. At present, inversion AOD from observation satellite remote sensing sensors has become main technology large-scale monitoring load. The Huaihai Economic Zone connecting belt two key areas governance (the Yangtze Riv...

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