Delhi air pollution: Delhi's much-awaited artificial rain experiment — initially postponed in July — continues to be on hold, with no green light yet for the trial that was expected to take place after Diwali.

Delhi Environment Minister Manjinder Singh Sirsa told PTI that there were no suitable clouds for the trial, according to the India Meteorological Department (IMD), and no window is expected until October 25. Also Read | Delhi AQI at worst levels in 4 years: What we know so far

Since October 19, the Graded Response Action Plan Stage 2 is effective in Delhi-NCR as the AQI crossed 300 on Sunday. falling in the "very poor" category. Delhi's air quality remains in 'very poor' quality after Diwali.

"The day we get suitable clouds, we will conduct the trial immediately, as all

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