Delhi: Bad air days retreat, but next spell may not be far

An HT analysis of historical trends suggests that Delhi’s pollution status depends on a mix of meteorological, outside (such as farm fires) and local factors. As the importance of farm fires will come down for the rest of the season -- the process of stubble burning is almost over – the pollution situation will depend on the first and the third factors.

from Hindustan Times - india https://ift.tt/2KlH4g5