Korean Dictionary
How to say "Air Quality Index" in Korean
“Air Quality Index” in Korean is 대기 질 지수 (pronounced "daegi jil jisu").
대기 질 지수
daegi jil jisu
Usage & Context
The Air Quality Index (AQI) measures how polluted the air is on a given day. Koreans check the AQI daily using apps like AirVisual or government platforms. A high AQI means people should wear masks and limit outdoor activities.
Example Sentence
오늘 대기 질 지수가 매우 높아요.
The air quality index is very high today.
How to use 대기 질 지수 naturally
Quick answer
The Korean word for “Air Quality Index” is 대기 질 지수, romanized as daegi jil jisu.
Usage tip
Learn this word together with a complete Korean sentence. Meaning often depends on particles, politeness level, and word order.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 대기 질 지수.
Pronunciation Guide
'대기' (daegi) sounds like 'day-gee'. '질' (jil) is pronounced like 'jill'. '지수' (jisu) sounds like 'jee-soo'. The phrase flows smoothly with slight emphasis on '대기' and '지수'.
More Example Sentences
Preparing to go outside on a polluted day.
오늘 대기 질 지수가 나빠서 마스크를 써야 해요.
The air quality index is bad today, so I need to wear a mask.
Daily routine for checking environmental conditions.
스마트폰 앱으로 실시간 대기 질 지수를 확인해요.
I check the real-time air quality index with a smartphone app.
Giving advice on health precautions.
대기 질 지수가 높은 날은 야외 활동을 자제하는 것이 좋아요.
It's good to refrain from outdoor activities on days with a high air quality index.
Cultural Context
Air quality, particularly fine dust (미세먼지, misaemeonji), is a significant daily concern in South Korea. People frequently check the '대기 질 지수' using popular apps like AirVisual or government-provided information. On days with a high index, wearing masks (마스크, maseukeu) is common, and outdoor activities for children and the elderly are often restricted. This issue is frequently discussed in news and daily conversations, reflecting its impact on public health and lifestyle.
Editorial note
We review entries like 대기 질 지수 for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
대기 질 지수 나쁨
bad air quality index
대기 질 지수 좋음
good air quality index
실시간 대기 질 지수
real-time air quality index
Related Expressions
미세먼지
misaemeonji
fine dust
초미세먼지
chomisaemeonji
ultrafine dust
황사
hwangsa
yellow dust (from China/Mongolia)
공기청정기
gonggicheongjeonggi
air purifier
More Environment Words
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