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NEW DELHI: India was ranked the third most polluted nation and New Delhi probably the most polluted capital by the 2023 World Air Quality report by Swiss know-how firm, IQAir. The newest report by the corporate that gives reside info on main air pollution globally, additionally discovered Begusarai in Bihar as probably the most polluted metropolis globally final 12 months.
The report, launched Tuesday, confirmed Bangladesh and Pakistan have been the highest two most polluted international locations in 2023. India confirmed a relative decline because the nation was ranked eighth in 2022, an enchancment from 2021 when it had the fifth rank.
IQAir mentioned 13 of the 15 most polluted cities on the earth in 2023 have been in India with Begusarai, Guwahati and Delhi being the highest three.
At the identical time, some Indian cities made the record for the correct causes. Silchar in Assam (seventh), Aizawl in Mizoram (eighth) and Damoh in Madhya Pradesh (fifteenth) figured within the record of the least polluted cities within the central and south Asia area, dwelling to many polluted cities on the earth.
In 2023, solely 10 out of the reporting 134 international locations succeeded in reaching the WHO annual particulate matter PM2.5 requirements of 5 micrograms per cubic metre (µg/m3). Exposure to PM2.5, one of many key pollution, results in and exacerbates quite a few well being situations, together with bronchial asthma, most cancers, stroke and lung illness.
The report, factoring in hazardous PM2.5 concentrations, discovered that Delhi’s PM2.5 focus in 2023 had risen by 10% from 2022 with ranges peaking in November, which noticed a month-to-month common of 255 µg/m3.
The report analysed knowledge from all air pollution monitoring stations in India and underlined that 1.36 billion folks in India expertise PM2.5 concentrations exceeding the WHO advisable annual guideline degree of 5 µg/m3. Overall, India with PM2.5 concentrations of 54.5 µg/m3 reported 10 instances increased air pollution ranges than the WHO PM2.5 annual normal.
“Furthermore, 1.33 billion, or 96% of the population, experience PM2.5 levels more than seven times the WHO annual PM2.5 guideline. This trend is reflected in city-level data with more than 66% of the country’s cities reporting annual averages greater than 35 µg/m3,” mentioned the report.
It famous that India has an in depth air high quality monitoring community, internet hosting extra air high quality monitoring stations than all different international locations within the central and south Asian area mixed. The huge monitoring community has contributed knowledge from 256 cities in 2023, representing 74% of cities within the central and south Asia area.
The report, launched Tuesday, confirmed Bangladesh and Pakistan have been the highest two most polluted international locations in 2023. India confirmed a relative decline because the nation was ranked eighth in 2022, an enchancment from 2021 when it had the fifth rank.
IQAir mentioned 13 of the 15 most polluted cities on the earth in 2023 have been in India with Begusarai, Guwahati and Delhi being the highest three.
At the identical time, some Indian cities made the record for the correct causes. Silchar in Assam (seventh), Aizawl in Mizoram (eighth) and Damoh in Madhya Pradesh (fifteenth) figured within the record of the least polluted cities within the central and south Asia area, dwelling to many polluted cities on the earth.
In 2023, solely 10 out of the reporting 134 international locations succeeded in reaching the WHO annual particulate matter PM2.5 requirements of 5 micrograms per cubic metre (µg/m3). Exposure to PM2.5, one of many key pollution, results in and exacerbates quite a few well being situations, together with bronchial asthma, most cancers, stroke and lung illness.
The report, factoring in hazardous PM2.5 concentrations, discovered that Delhi’s PM2.5 focus in 2023 had risen by 10% from 2022 with ranges peaking in November, which noticed a month-to-month common of 255 µg/m3.
The report analysed knowledge from all air pollution monitoring stations in India and underlined that 1.36 billion folks in India expertise PM2.5 concentrations exceeding the WHO advisable annual guideline degree of 5 µg/m3. Overall, India with PM2.5 concentrations of 54.5 µg/m3 reported 10 instances increased air pollution ranges than the WHO PM2.5 annual normal.
“Furthermore, 1.33 billion, or 96% of the population, experience PM2.5 levels more than seven times the WHO annual PM2.5 guideline. This trend is reflected in city-level data with more than 66% of the country’s cities reporting annual averages greater than 35 µg/m3,” mentioned the report.
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It famous that India has an in depth air high quality monitoring community, internet hosting extra air high quality monitoring stations than all different international locations within the central and south Asian area mixed. The huge monitoring community has contributed knowledge from 256 cities in 2023, representing 74% of cities within the central and south Asia area.
For the 2023 report, knowledge from greater than 30,000 air high quality monitoring stations throughout 7,812 areas in 134 international locations, territories and areas have been analysed by IQAir’s air high quality scientists.
“In many parts of the world the lack of air quality data delays decisive action and perpetuates unnecessary human suffering. Air quality data saves lives. Where air quality is reported, action is taken, and air quality improves,” mentioned Frank Hammes, world CEO, IQAir.
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