According to a test we’ve done in 2015, Delhi winter air averages 220 micrograms/m3, but during the peak Diwali fireworks on November 11, our numbers spiked to almost 700 micrograms/m3! That’s a heart-stopping 28 times the WHO 24-hour limit of 25 ug/m3. Click here to read more details: https://smartairfilters.com/en/blog/diwalis-impact-on-air-pollution-in-delhi/
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