Question
Priority air pollutants included in the air quality index for urban areas in India are :
The correct answer is
$\text{CO}$, $\text{NO}_x$, $\text{PM}_{10}$ and $\text{PM}_{2.5}$, $\text{SO}_x$, $\text{O}_3$, ammonia and Pb
India AQI Priority Pollutants Identified
The national Air Quality Index (AQI) in India utilizes a specific set of priority pollutants measured in urban areas to assess air quality. Understanding these pollutants is key to interpreting the AQI.
Key Pollutants in Indian Urban AQI
The priority air pollutants included in the Air Quality Index for urban areas in India are:
- Carbon Monoxide ($CO$)
- Nitrogen Oxides ($NO$_x$)
- Particulate Matter ($PM$_{10}$ and $PM$_{2.5}$)
- Sulphur Oxides ($SO$_x$)
- Ozone ($O$_3$)
- Ammonia
- Lead ($Pb$)
This comprehensive list ensures that major air quality issues are tracked effectively.
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Important Questions from Air and Noise Pollution
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- In the determination of sulphur dioxide by p-rosaniline method, the end product is
- A point source of sound produces a noise of 70 dB at a distance of 20 m from it. What will be the noise level at 80 m from it ?
- Emission inventories involved in urban air quality assessment include parameters on
i. $SO_2$, $NO_x$, particulate matter pollutants
ii. Industry, traffic, domestic sources
iii. Fuel type, gasoline, wood as energy carrier
Choose the correct answer from codes given below : - Cement dust is characterized by very fine particulates. Which of the following air pollution control devices is appropriate for removing them from hot exhaust gases emanating from cement kiln ?
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