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Along with extreme cold, the air pollution of Kathmandu Valley has also increased. According to the 'Air Quality Index' (AQI), today the air pollution in Kathmandu Valley is 250 AQI. According to environmentalist Bhushan Tuladhar, air pollution is more likely in cold weather than in summer.
"During the cold season, as the air remains on the surface of the ground for a long time, the possibility of pollution is higher, and as the temperature rises in the afternoon, pollution spreads in the air," he said. Apart from that, he said that the practice of burning garbage, tires and firewood in the cold also helps to increase the pollution.
According to AQI, Kathmandu Valley is now the fifth most polluted city in the world. Pakistan's Lahore tops the list. AQI of Lahore is 341 AQI. In addition, the AQI of Kolkata in India is 248, and the AQI of Ulaanbaatar in Mongolia is 238 .
Also, the fourth most polluted city in India, New Delhi, has an AQI of 227 AQI. According to disaster management expert Dr. Dharmaraj Upreti, zero to An AQI of up to 50 is considered good and given a green signal. Also, an AQI of 51 to 100 indicates caution. An AQI of 101 to 150 is considered to cause breathing problems and is dangerous for heart patients.
According to him, an AQI of 151 to 200 is considered unhealthy and if there is air pollution above that, it is considered extremely unhealthy. The Air Quality Management Action Plan for Kathmandu Valley, 2076 has also mentioned that the situation where the AQI value is more than 300 as determined by the Government of Nepal is considered as a disaster.
In order to prevent the disaster, it is mentioned in the action plan to stop the burning of garbage, to widen the use of brooms and vacuums to clean the roads, and to issue public notices to children, senior citizens, patients to take special precautions.
According to the National Environment Policy, 2076, there is a government strategy to prepare and implement national standards for the prevention of water, air, soil, sound, electromagnetic waves, radioactive radiation, hazardous chemical pollution to reduce pollution.
It is mentioned in the strategy that air, water and sound quality mapping will be done by establishing and operating quality measurement centers in areas at risk of pollution including major cities and industrial establishments.
