Which Indian states will have the worst air quality by the end of next year?
The fifth edition of the Air Quality Index (AQI) has found the Indian states of Andhra Pradesh, Telangana, Kerala, Madhya Pradesh and Uttar Pradesh, which have the highest levels of PM2.5 particulate matter, the highest type of air pollutant, to be the worst in India.
The index, published by the World Health Organization, covers the pollution in air quality from October 1.
Read moreThis week’s report, released on Monday, shows that the state of Uttar Pradesh is second worst with an AQI of 11.9, followed by the state’s neighbouring state of Bihar at 11.8.
The states are followed by Tamil Nadu at 10.8, Maharashtra at 9.8 and Maharashtra-Goa at 9, the report found.
“The state of Maharashtra has had the highest number of deaths, especially in the north, in the last 20 years, while the state has also experienced the largest increase in air pollution in recent years,” the index said.
The report also found that the Uttar Pradesh has been ranked fourth worst in terms of the pollution level in the city of Lucknow, while Kerala and Telang, the neighbouring states, were in the top three.
In 2017, the state had an average of 15,000 PM2,5 particles per cubic metre, while Delhi recorded 11,400.
In 2016, Delhi had the worst AQI and the state with the lowest level of PM 2.5 was Maharashtra.
The index also found pollution levels in the capital of Delhi were highest in the afternoon, followed closely by the suburbs, and then the north and south.
In Lucknow and Delhi, pollution levels reached about 50 and 35 PM2(PM10) particles per metre, respectively.
The air quality index is based on measurements taken at ground level.