New Delhi, July 31 -- Supported by favourable meteorological conditions and coordinated efforts by multiple stakeholders, Delhi recorded its cleanest July in decades, with an average Air Quality Index (AQI) of 78, which falls in the 'Satisfactory' category, even better than July 2020, a month marked by COVID-19 lockdown restrictions.

Delhi Environment Minister Manjinder Singh Sirsa on Thursday described the month as the best in the city's recorded history. "29 out of 31 days in July 2025 recorded 'Good' or 'Satisfactory' air quality - best July in Delhi's recorded history and 126 Clean Air days recorded since January 1st to July 31st 2025," Sirsa said.

"Today's AQI is 59, with a majority of city hotspots also in the 'Good' or 'Satisfact...