Ahmedabad air judged as the most dusty among 13 cities in the country. These cities air quality index (AQI) is measured daily by the Central Pollution Control Board (CPCB). According to the recorded AQI, particulate matter levels in Hyderabad and Kanpur were almost that of Ahmedabad. The AQI index is available for all days and is released by the CPCB at 5 pm. The pollution levels are marked ‘moderate’ in the AQI — this means that the air can cause breathing discomfort to people and also asthma.
There are 5 cities who is facing danger of particulate matter rising in the air. The problem is the increasing prevalence of particulate matter of 2.5 microns or less in the city air.
The five cities are as follows:
- Ahmedabad
- Hyderabad
- Kanpur
- Pune
- Varanasi.
What is Air Quality Index:
An air quality index (AQI) is a number used by government agencies to give a to the an Idea to the public how polluted the air currently is or how polluted it is forecast to become.
What is particulate matter?
- There are things floating around in the air. Most of them, you cannot even see. They are a kind of air pollution called particles or particulate matter. they can be big or small.
- The big particles are between 2.5 and 10 micrometers (from about 25 to 100 times thinner than a human hair). These particles are called PM10.
- The small particles are smaller than 2.5 micrometers (100 times thinner than a human hair). These particles are called PM2.5.
Some G.K.Related Question:
Which is the largest city in the Gujarat?
