scispace - formally typeset
Search or ask a question

What are the key factors considered in the assessment of air quality? 


Best insight from top research papers

Key factors considered in the assessment of air quality include natural factors such as temperature, humidity, pressure, and wind speed, as well as non-natural factors such as heating . Additionally, common metrics used for assessing air quality are based on guidelines and/or standards for regulating concentrations of pollutants such as particulate matter (PM10 and PM2.5), nitrogen dioxide, ozone, carbon monoxide, sulfur dioxide, and other contaminants . The Air Quality Index (AQI) is a reliable indicator of air quality and considers pollutants such as particulate matter, sulfur dioxide, nitrogen dioxide, ground-level ozone, and carbon monoxide . Furthermore, in the assessment of air quality, the effects of wind speed and direction are also taken into account .

Answers from top 5 papers

More filters
Papers (5)Insight
The key factors considered in the assessment of air quality are sulphur dioxide, nitrogen dioxide, ground-level ozone, carbon monoxide, and particulates.
The key factors considered in the assessment of air quality in the provided paper are roadway traffic levels, particulate matter concentration, wind speed, and wind direction.
The key factors considered in the assessment of air quality are particulate matter, SO2, NO2, ground-level ozone, and carbon monoxide.
The key factors considered in the assessment of air quality in the provided paper are natural factors such as temperature, humidity, pressure, wind speed, and non-natural factors such as heating.
The paper does not explicitly mention the key factors considered in the assessment of air quality.

Related Questions

How does air quality impact the health of individuals living in urban areas?5 answersAir quality significantly impacts the health of individuals in urban areas. Traffic-related air pollutants (TRAPs) pose a major health risk due to increased motor vehicle numbers, with adverse effects from long-term exposure. Urban air quality is affected by both local and external sources, with a substantial portion of health impacts attributed to anthropogenic emissions. Studies show a causal link between air pollution and mental health issues, with stronger impacts from prolonged exposure and vulnerability variations among demographics. Traffic contributes significantly to air pollution, with CO and NO2 levels influenced by seasonal fluctuations and weather conditions. Understanding the spatial and temporal variations of pollutants is crucial for effective mitigation strategies to reduce health risks associated with poor air quality in urban environments.
How air quality related to health issues?4 answersAir quality is intricately linked to various health issues globally. Poor air quality, caused by pollutants like PM2.5 and NO2, is a significant public health concern, leading to respiratory diseases, cardiovascular problems, stroke, cancer, and dementia. Studies emphasize the detrimental impact of air pollution on human health, with millions of deaths attributed to it annually. Specific pollutants like PM2.5 and ultrafine particles can penetrate deep into the respiratory system, causing inflammation, exacerbating asthma, and even leading to systemic diseases like metal fume fever. Events like thunderstorm asthma and bushfire smoke in Australia highlight the immediate health risks associated with poor air quality, urging the need for environmental health literacy and advocacy for clean air to safeguard public health.
What are the common causes of Air Pollution?4 answersAir pollution is caused by a variety of factors, both natural and anthropogenic. Natural causes include volcanic eruptions, forest fires, excessive evaporation, and dust storms. Anthropogenic causes, on the other hand, are primarily related to human activities such as industrialization, transportation, agriculture, and energy production. These activities release harmful substances into the atmosphere, including pollutants like NOx, SOx, particulate matter, and ozone. The combustion of fossil fuels, in particular, is a major contributor to air pollution. Other sources of air pollution include the emission of gases and smoke from industries, vehicular emissions, and the burning of agro waste. Overall, the causes of air pollution are diverse and can have significant impacts on human health and the environment.
What are the factors that increase air pollutants?5 answersAir pollutants are increased by various factors including biomass burning, high vehicular emissions, increment in industrial emissions, increase in demand for energy, burning of fossil fuels, agriculture, exhaust from factories and industries, residential heating, natural disasters, and human activities such as people's movement, cooking, cleaning, and smoking. These factors contribute to the release of pollutants such as particulate matter, sulfur dioxide, oxides of nitrogen, carbon monoxide, and other hazardous substances into the air, leading to poor air quality and negative impacts on human health and the environment. It is important to control and mitigate these air pollutants through the implementation of clean air act policies, mitigation protocols, and laws and legislations. Additionally, understanding the sources of indoor air pollution, which can come from human activities, surface chemistry reactions, and building and furniture surfaces, is crucial for quantifying and reducing associated health risks.
What are the main sources of air pollution?3 answersThe main sources of air pollution include both natural and anthropogenic factors. Natural sources of air pollution include volcanic eruptions, fires, dust storms, and ocean vapors. On the other hand, anthropogenic sources of air pollution are primarily caused by human activities. These sources include the burning of fossil fuels by motor vehicles and power plants, which release pollutants such as particulate matter, nitrogen oxides, and volatile organic compounds. Other human activities that contribute to air pollution include industrial processes, transportation emissions, agricultural activities, and domestic heating. These activities release a wide range of pollutants into the atmosphere, including carbon dioxide, sulfur dioxide, and various toxic substances. Additionally, chemical reactions between pollutants and atmospheric gases can lead to the formation of secondary pollutants such as ozone. Overall, the combination of natural and human-induced sources contributes to the complex issue of air pollution.
What is parameters to predict air quality?3 answersAir quality prediction involves considering various parameters to accurately predict the quality of air. These parameters include natural factors such as temperature, humidity, pressure, and wind speed, as well as non-natural factors such as heating and industrialization. Additionally, the concentration of air pollutants, such as carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and aerosols, are important parameters to be considered for air quality assessment. Other parameters that can be used to predict air quality include atmospheric wind speed, wind direction, relative humidity, and temperature. Machine learning-based methods, such as long short-term memory (LSTM) networks, have been used to predict air quality grade based on these parameters. The hybrid model using wavelet transform, particle swarm optimization, and adaptive neuro-fuzzy inference system has also been used to accurately predict the Air Quality Index.