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Indoor air was much safer than outdoor in Delhi during Nov-Dec: Study

Two sensor-based air quality monitors and data loggers installed in Delhi's Dwarka revealed that diurnal variation, where air pollution levels usually peak in evening and early morning hours, is missing from indoor air pollution levels, highlighting the effects of meteorology in outdoor air pollution

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File pic/IANS

File pic/IANS

Preliminary data from a month-long experiment has shown that indoor air pollution levels were nearly half of the outdoor levels in Delhi-NCR during November-December so far.

A primary cause, the study has shown, is how meteorological factors play a key role in air pollution levels, especially in Delhi-NCR region.

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