Lahore of Pakistan has got the first place in the list of the world’s most polluted cities. At the same time, New Delhi has been ranked second on this list. The great thing is that Nepal’s capital Kathmandu has got third place on this list. With this, the top three of the world’s most polluted cities are located in South Asia. The list has been released by the US Air Quality Index based on air pollution data.
AQI of Lahore reached 423
According to this list, according to the Air Pollution Index, Lahore has a rating of 423 of maximum particulate matter (PM). Karachi, Pakistan’s economic capital, ranked seventh in AQI. New Delhi, the capital of India, finished second with an AQI of 229. Kathmandu, the capital of Nepal, ranked third among the most polluted cities, with PM 178 recorded.
9 out of 10 people in the world breathe in polluted air
According to the WHO, 9 out of every 10 people in the world breathe heavily polluted air. According to this, ‘Every year, 7 million people die due to outdoor and domestic air pollution worldwide. The number of people who died in 2016 from external pollution alone was close to 42 lakhs, while the number of deaths due to domestic air pollution is 38 lakhs. Air pollution causes the death of heart-related disease, respiratory disease, and other diseases.
Air quality index is measured in this way
There are eight standards for measuring air pollution (pollutant elements PM2.5, PM10, carbon monoxide, ozone, sulfur dioxide, aluminum, and lead). The most important of these are PM 2.5 and PM 10. These are the highest figures. PM2.5, PM10, and any other standard are included when measuring the air quality index. It has only standard, it has no measuring unit. PM2.5 and PM10 are measured in micrograms per cubic meter. The pollution caused by the burning of anything consists of PM 2.5 and PM-10 in dust particles.