Why Does Korean Grilled Pork Belly Create More Air Pollution Than Other Meats?

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Korean Reading Practice
Why Does Korean Grilled Pork Belly Create More Air Pollution Than Other Meats?
Date: September 18, 2026

Introduction

This passage examines the air pollution generated by grilling meat, a central activity in Korean dining culture. Recent scientific research has revealed that cooking fumes contain high concentrations of harmful ultrafine particles and volatile compounds that significantly impact both indoor and outdoor air quality. The text discusses findings from Korean environmental institutions and explores which meats produce the most smoke when grilled.

Vocabulary

Korean Romanization Meaning Example
미세먼지 misemeonji fine particulate matter; ultrafine particles 요리 연기에는 95% 이상의 미세먼지가 포함되어 있다.Cooking smoke contains over 95% ultrafine particles.
구성 guseong composition; constituent 연기의 구성 요소를 분석했다.They analyzed the composition of the smoke.
배출 baechul emission; discharge 자동차 배출가스와 비교된다.It is compared to vehicle emissions.
휘발성 유기화합물 hwibalseong yugihwahammul volatile organic compounds (VOCs) 휘발성 유기화합물은 햇빛과 반응한다.Volatile organic compounds react with sunlight.
질소산화물 jilsosanhwamul nitrogen oxides 질소산화물은 자동차와 공장에서 배출된다.Nitrogen oxides are emitted from vehicles and factories.
지표면 오존 jipyomyeon ojon ground-level ozone 지표면 오존은 호흡기를 자극한다.Ground-level ozone irritates the respiratory system.
삼겹살 samgyeopsal pork belly (grilled meat cut) 삼겹살이 가장 많은 연기를 발생시킨다.Pork belly generates the most smoke.
발생 balsaeng occurrence; generation; production 연기 발생량은 고기 종류에 따라 다르다.The amount of smoke generation varies by meat type.
강도 gangdo intensity; strength 숯불의 강도가 연기량에 영향을 미친다.The intensity of charcoal heat affects smoke quantity.
호흡기 hoheupgi respiratory system 오존은 호흡기 질환을 악화시킨다.Ozone worsens respiratory diseases.
지침 jichim guideline; guidance 환경공단의 지침에 따르면.According to the environmental corporation's guideline.
분석 bunseok analysis 최근 분석 결과가 발표되었다.Recent analysis results were released.

Reading Text

고기를 구울 때 발생하는 연기는 단순한 수증기가 아니라 다양한 대기오염물질을 포함하는 복잡한 혼합물로, 2023년 한국환경공단의 조리 연기 관리 지침에 따르면 이 연기의 95% 이상이 지름 2.5마이크로미터 이하의 초미세먼지로 구성되어 있다는 사실이 밝혀졌다.

Smoke generated from grilling meat is not merely water vapor but a complex mixture containing various air pollutants; according to a 2023 Korean Environment Corporation guideline on cooking fume management, it has been revealed that over 95% of this smoke is composed of ultrafine particulate matter with a diameter of 2.5 micrometers or smaller.

이러한 조리 연기에는 일산화탄소, 질소산화물, 휘발성 유기화합물 등 여러 종류의 오염물질이 포함되어 있으며, 2023년 2월 충남연구원 연구진이 한국대기환경학회지에 발표한 논문에서 이 같은 성분들의 위해성을 상세히 기술하였다.

These cooking fumes contain multiple types of pollutants including carbon monoxide, nitrogen oxides, and volatile organic compounds, and researchers from Chungnam Research Institute detailed the hazards of these constituents in a paper published in the Korean Journal of Atmospheric Environment in February 2023.

고기 종류에 따라 연기 발생량이 크게 달라지는데, 삼겹살이 킬로그램당 0.34그램으로 가장 많은 연기를 배출하며 소등심(0.32그램), 양갈비(0.31그램), 목살(0.24그램) 순으로 나타났다.

The amount of smoke generated varies significantly depending on the type of meat; pork belly produces the most smoke at 0.34 grams per kilogram, followed by ribeye (0.32 grams), lamb ribs (0.31 grams), and pork neck (0.24 grams).

조리 과정에서 발생하는 연기의 양은 사용하는 그릴의 종류, 숯불의 강도, 고기를 뒤집는 과정 등 여러 요인에 의해 결정되며, 특히 고기를 뒤집을 때 가장 많은 연기가 발생한다는 점이 주목된다.

The amount of smoke produced during the cooking process is determined by several factors including the type of griddle used, the intensity of charcoal heat, and the process of flipping the meat, with the notable finding that the most smoke is generated during the meat-flipping process.

조리 연기에 포함된 휘발성 유기화합물은 대기 중으로 배출된 후 자동차와 공장에서 나오는 질소산화물과 햇빛 아래에서 화학 반응을 일으켜 지표면 오존을 생성하며, 이 오존은 눈과 호흡기를 자극하고 천식을 악화시키는 해로운 대기오염물질이 된다.

Volatile organic compounds contained in cooking fumes, after being released into the atmosphere, undergo chemical reactions with nitrogen oxides from vehicles and factories in sunlight to generate ground-level ozone, which becomes a harmful air pollutant that irritates the eyes and respiratory system and worsens asthma.

조리 연기가 대기질에 미치는 영향을 고려할 때, 캘리포니아 대기자원위원회의 자료에 따르면 상업적 조리가 초미세먼지의 직접 배출량의 약 11%를 차지하는 것으로 분석되었으며, 일부 분석에서는 조리 연기의 화학 물질이 자동차 배출가스와 비교할 수 있는 수준으로 다른 대기오염물질 생성에 기여한다고 지적되었다.

When considering the impact of cooking smoke on air quality, according to data from the California Air Resources Board, commercial cooking accounts for approximately 11% of directly emitted ultrafine particulate matter, and some analyses point out that chemical substances in cooking fumes contribute to the creation of other air pollutants at a level comparable to vehicle exhaust.

Grammar Points

-에 따라(서) depending on / according to

According to / depending on. Here used as '에 따르면' (if we follow / according to), indicating a cited source or standard.

📖 2023년 한국환경공단의 조리 연기 관리 지침에 따르면 이 연기의 95% 이상이 지름 2.5마이크로미터 이하의 초미세먼지로 구성되어 있다는 사실이 밝혀졌다. According to the 2023 Korea Environment Corporation's cooking smoke management guidelines, it was revealed that more than 95% of this smoke is composed of ultrafine dust with a diameter of 2.5 micrometers or less.

✏️ 전문가의 의견에 따르면 규칙적인 운동이 건강에 매우 중요하다. According to experts, regular exercise is very important for health.

-에 의해(서) by (passive agent)

By / by means of. Used to indicate the agent or cause by which something is determined or done.

📖 조리 과정에서 발생하는 연기의 양은 사용하는 그릴의 종류, 숯불의 강도, 고기를 뒤집는 과정 등 여러 요인에 의해 결정되며, 특히 고기를 뒤집을 때 가장 많은 연기가 발생한다는 점이 주목된다. The amount of smoke generated during the cooking process is determined by various factors such as the type of grill used, the intensity of the charcoal fire, and the process of flipping the meat, and it is particularly noteworthy that the most smoke is generated when the meat is flipped.

✏️ 이 건물은 유명한 건축가에 의해 설계되었다. This building was designed by a famous architect.

Cultural Notes

Grilled meat, particularly Korean barbecue (고기구이 or 바비큐), holds a significant place in Korean dining culture and social life. Eating grilled meat at restaurants or at home is a common way for Koreans to celebrate occasions, conduct business meals, or gather with family and friends. This passage is particularly relevant to contemporary Korea because rising awareness of air quality and health has prompted scientific investigation into the environmental and health impacts of traditional cooking methods—a tension between cultural practice and modern environmental consciousness that increasingly shapes discussions about sustainable living in Korean society.

Topics are inspired by current events in Korea. All lessons are original learning content written by Learn Korean Today.
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📝 Comprehension Questions

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Q1

According to the 2023 Korean Environment Corporation guideline, what percentage of cooking smoke is composed of ultrafine particulate matter, and what is the size threshold for these particles?

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Q2

Which type of meat produces the most smoke when grilled, and how much smoke does it generate per kilogram compared to pork neck?

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Q3

What are three factors that determine the amount of smoke produced during the grilling process, and when is the most smoke generated?

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Q4

How do volatile organic compounds from cooking fumes interact with other substances in the atmosphere to create ground-level ozone, and what health effects can this ozone cause?

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Q5

According to the California Air Resources Board data, what percentage of directly emitted ultrafine particulate matter comes from commercial cooking?

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