How industrial pollution affects air quality

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What is industrial pollution?

Industrial pollution refers to the contamination of the environment—air, water, and soil—caused by industrial activities. These activities typically involve the manufacturing, processing, and extraction of raw materials, which produce waste products and emissions that are harmful to the natural environment and human health.

Industrial pollution can result from a variety of sources, including factories, power plants, mining operations, chemical production facilities, and commercial transportation.

What causes industrial air pollution?

  • Causes of industrial air pollution include:
  • Inadequate laws and regulations to control emissions and waste.
  • Poor enforcement of existing environmental standards.
  • Reliance on older, less efficient technologies that produce more waste and emissions.
  • Delayed adoption of cleaner, more sustainable practices.
  • Increased production to meet global demand leading to higher emissions and waste generation.
  • Intensive resource extraction and use
  • Cost-cutting measures leading to environmental negligence.
  • Preference for cheaper, more polluting methods over sustainable options due to economic constraints.
  • Shift of industrial activities to countries with looser environmental regulations.
  • Increased transportation and logistics contributing to pollution.

What are the types of industrial air pollution?

Types of air pollution include emission of greenhouse gases (e.g., carbon dioxide, methane), the release of particulates and aerosols, emission of sulfur dioxide (SO2) and nitrogen oxides (NOX), which contribute to acid rain and the release of volatile organic compounds (VOCs) and other hazardous air pollutants (HAPs).

What are common airborne pollutants found at refineries?

Refineries are industrial facilities that transform raw materials like crude oil and natural gas into a wide array of essential products used in daily life, from fuels to chemicals and other materials.

Refineries emit a range of airborne pollutants that affect air quality and human health, including PM2.5, which can cause respiratory and cardiovascular problems; sulfur dioxide and nitrogen oxides, which contribute to smog, acid rain, and respiratory issues; volatile organic compounds, which lead to ground-level ozone formation and various health effects; carbon monoxide, which can impair oxygen delivery in the body; benzene, a known carcinogen; and other hazardous air pollutants such as toluene, xylene, and formaldehyde, which pose significant health risks (1).

What are common airborne pollutants found at steel mills?

A steel mill, also known as a steel plant or steelworks, is an industrial facility that produces steel from raw materials. Steel mills emit various airborne pollutants, including PM2.5, sulfur dioxide and nitrogen oxides, carbon monoxide, VOCs, heavy metals such as lead, cadmium, and mercury, which are toxic and can cause neurological and other serious health problems; and dioxins and furans, which are highly toxic and can cause cancer and other health issues (2)(3)(4).

What are common airborne pollutants found at mines?

Mining activities release numerous airborne pollutants that impact air quality and health. These include PM2.5, silica dust, leading to silicosis, coal dust, causing black lung disease, and gases like methane (CH4), carbon monoxide, sulfur dioxide, and nitrogen oxides (5).

Additionally, heavy metals such as mercury (Hg) and lead (Pb) cause toxic effects, and VOCs from explosives and chemicals (6).

What are common airborne pollutants found at petrochemical plants?

A petrochemical plant is an industrial facility that processes hydrocarbons, derived primarily from crude oil and natural gas, into valuable chemical products known as petrochemicals. These petrochemicals are essential building blocks for a wide range of products used in everyday life, from plastics and synthetic fibers to fertilizers and pharmaceuticals.

Petrochemical plants emit several airborne pollutants that impact air quality and health, including PM2.5, sulfur dioxide, nitrogen oxides, VOCs like benzene, toluene, and xylene, carbon monoxide, and hazardous air pollutants (HAPs) such as formaldehyde and acetaldehyde, which pose significant health risks (7)(8).

What are common airborne pollutants associated with commercial transportation?

Commercial transportation emits several airborne pollutants that affect air quality and health, including PM2.5, nitrogen oxides, sulfur dioxide, carbon monoxide, VOCs, and greenhouse gases such as carbon dioxide (CO2) and methane, which contribute to climate change (9).

How can I protect myself from poor air quality?

About IQAir
ABOUT IQAIRIQAir is a Swiss technology company that empowers individuals, organizations and governments to improve air quality through information and collaboration.

[1] California Office of Environmental Health Hazard Assessment. (2019.) Analysis of Refinery Chemical Emissions and Health Effects.

[2] Shutt R., et al. (2017). Exposure to air pollution near a steel plant is associated with reduced heart rate variability: a randomised crossover study. Environmental Health. DOI: 10.1186/s12940-016-0206-0

[3] Zhang X., et al. (2020). Impact of VOCs emission from iron and steel industry on regional O3 and PM2.5 pollutions. Environmental Science and Pollution Research. DOI: 10.1007/s11356-020-09218-w.

[4] Maxim A., et al. (2020). Urban soils in a historically industrial city: patterns of trace metals in Pittsburgh, Pennsylvania. Environmental Research Communications. DOI:
10.1088/2515-7620/ac7cc2

[5] Pandey B., et al. (2014). Assessment of air pollution around coal mining area: Emphasizing on spatial distributions, seasonal variations and heavy metals, using cluster and principal component analysis. Atmospheric Pollution Research. DOI:
10.5094/APR.2014.010

[6] Hendryx M., et al. (2020). Air Pollution Emissions 2008–2018 from Australian Coal Mining: Implications for Public and Occupational Health. International Journal of Environmental Research and Public Health. DOI: 10.3390/ijerph17051570

[7] Frazier R. (2024, March 20). Taxpayer-funded petrochemical plants
are polluting communities, report finds.
NPR News.

[8] Zhang Z, et al. (2023). Impacts of Pollutant Emissions from Typical Petrochemical
Enterprises on Air Quality in the North China Plain.
Atmosphere. DOI: 10.3390/atmos14030545

[9] U.S. Environmental Protection Agency. (2024). Smog, Soot, and Other Air Pollution
from Transportation.

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