In 2017, Smart Air analyzed PM2.5 data from the US Embassy pollution monitor in Delhi. The data shows that winter air is the worst. Yet summer is not safe either. Even in the best months, PM2.5 was far above the World Health Organization’s annual limit of 5 micrograms.
Click here to see our data analysis: https://smartairfilters.com/en/blog/delhis-air-pollution/
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