Survey shows no country on the earth met WHO air high quality standards throughout 2021

A survey of air air pollution data in 6,475 cities shows that not a single country met the World Health Organisation’s air high quality requirements in 2021. According to a Reuters report, smog even returned to pre-pandemic levels in some areas, after a brief respite throughout Covid-19. The knowledge was collated by Swiss firm, IQAir, a air pollution technology company that monitors air high quality.
The WHO advice is that average annual PM2.5 readings mustn’t exceed 5 micrograms per cubic metre. PM2.5 refers to particulate matter discovered within the air, similar to mud, soot, dirt, liquid droplets, and smoke. The WHO pointers changed last year, with the organisation saying even low ranges can create severe well being risks.
According to Christi Schroeder from IQAir, many international locations are making significant progress however as many as ninety three cities had PM2.5 ranges that have been 10 times the really helpful level.
“There are plenty of international locations that are making big strides in discount. China began with some very massive numbers and they are continuing to decrease over time. But there are also places on the earth the place it’s getting significantly worse.”

The information reveals that general air pollution in India got worse in 2021, with New Delhi retaining the doubtful honour of being the world’s most polluted capital city. Bangladesh is the world’s most polluted nation for the second yr, with Chad in second place, after its data was included within the survey for the first time.
According to the Reuters report, China has been attempting to combat its pollution problem since 2014. In 2020, it was ranked 14th in the PM2.5 rankings however dropped to 22nd in 2021. The worst performing Chinese city is the north-western metropolis of Hotan, in Xinjiang. There, Itemized came in at over 100 micrograms, primarily due to sandstorms. However, Hotan has fallen to 3rd place within the world’s most polluted cities rating, with the Indian cities of Bhiwadi and Ghaziabad overtaking it in 2021.
SOURCE: Reuters