What is air quality and AQI? Find out the effect of air quality on the respiratory systems of people Class 7

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Science Class 7 Science 111 views May 26, 2026 Reviewed & updated Sep 17, 2026
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What is air quality and AQI? Find out the effect of air quality on the respiratory systems of people Class 7

What is air quality and AQI? Find out the effect of air quality on the respiratory systems of people working in various fields farmers, factory workers, or street vendors. Class 7

Answer:

Air quality, AQI, and effects on respiratory systems:

  1. Air quality refers to how clean or polluted the air is.
  2. AQI (Air Quality Index) is a number used to communicate how polluted the air currently is or how polluted it is forecast to become.

Effects on respiratory systems:

  1. Farmers: Exposure to dust and pesticides can cause respiratory irritation and diseases.
  2. Factory workers: May inhale industrial fumes, dust, or chemicals, increasing the risk of asthma, bronchitis, or lung damage.
  3. Street vendors: Often exposed to vehicle exhaust and dust, leading to coughing, allergies, and long-term lung problems.
  4. Poor air quality can worsen asthma, cause breathing difficulties, and increase the risk of respiratory infections for all.

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