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With the onset of winter season, the level of pollution starts spreading or rather it starts increasing. The pollution situation remains serious in the national capital and its surrounding areas. Due to increase in pollution at this level, GRAP-3 has been implemented in Delhi NCR. Delhi’s AQI has reached a very bad condition. In such a situation, we often hear words like AQI, grey, nitrogen oxide, fog, haze, PM particle, ozone, carbon monoxide, BS vehicle, sulfur dioxide. So let us know the meaning of all these words through this news.
AOI
AQI, i.e. Air Quality Index, tells how bad or how clean the air is at a particular place. According to the data of Delhi Pollution Control Committee in the country’s capital, the air quality has recently fallen to dangerous levels.
What is a grape?
GRAP has been created to reduce and control air pollution in Delhi-NCR. Its full form is Graded Response Action Plan. Under this, restrictions are imposed to reduce pollution in different phases of air pollution. When AQI crosses 200, the first phase of GRAP comes into force. When the AQI crosses 300, the second phase is implemented and when the AQI crosses 400, the third phase of GRP is implemented.
bs vehicle
There is a standard for every vehicle plying in the entire country. BS is used to measure pollution in these vehicles. Bharat Stage is the full form of BS. This would reveal how much pollution the vehicle is causing.
Particulate Matter(PM Particle)
PM stands for particulate matter (also known as particle pollution). This word is used for the mixture of solid particles and liquid droplets found in the air. Some particles, such as dust, dirt, soot or smoke, are so large or black that they can be seen with the naked eye. Others are so small that they can only be seen using an electron microscope.
smog
The word smog is made up of two words, smoke and fog. It is a kind of air pollution which reduces visibility.
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