After analyzing Delhi’s air quality data from the US Embassy in 2018, Smart Air found that air pollution fell 5% in 2018 compared to 2017. Despite the slight improvement, Delhi still averaged more than 10 times the World Health Organization’s annual air quality limit, making it one of the most polluted cities in the world.
Click here to read more: https://smartairfilters.com/en/blog/did-delhis-air-get-better-in-2018/
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