
Delhi recorded its cleanest July in ten years on Wednesday, with the city's average Air Quality Index (AQI) dropping to 67, according to data released by the Central Pollution Control Board. The reading falls in the 'Satisfactory' category.
So far this year, the capital has seen 118 days of 'Good', 'Satisfactory', or 'Moderate' air quality, a shift from previous years, when 'Poor' to 'Severe' levels were more common during the same period.
Among the monitoring stations, Punjabi Bagh reported the lowest AQI at 50, followed by Bawana (51) and Vivek Vihar (55), all in the 'Good' range.
Environment Minister Manjinder Singh Sirsa called the improvement the result of consistent civic operations and coordination across departments.
"This is not a seasonal blip, it is the result of Delhi's multi-agency implementation model, continuous landfill action, intensified sweeping operations, and a clear commitment to outcome-based governance," Mr Sirsa said.
"We are not celebrating early. We are simply staying the course and the results are becoming visible more frequently across the year," he added.
According to the Delhi government, citywide operations in the last 24 hours cleared 10,987.21 metric tonnes of garbage and lifted 2,349.7 MT of construction and demolition waste. Over 6,000 km of roads were cleaned, and water sprinkling was carried out over 26.35 km.
Legacy waste removal also continues at landfill sites. A total of 923.55 MT was cleared on July 22 - including 487.55 MT from Bhalaswa and 436 MT from Ghazipur.
While the current figures mark a break from the capital's usual air pollution patterns, long-term impact will depend on sustained cleanup, stricter enforcement, and hotspot monitoring in the weeks ahead.
Krish, a Class 12 student at Sanskriti School, and Samarth, a Class 11 student at Vasant Valley School, are the founders of Project Vayu. Krish has been named to the 2026 Diana Award Roll of Honour for the initiative.
All are hoping for rain that may wash away the toxic cloud hanging overhead. But the weather office ended that hope today, saying rain is unlikely in the plains. There might be some over the Himalayan region, but none is expected in Delhi, where the pollution has reached severe levels.
According to a Centre for Science and Environment (CSE) report, the average PM2.5 concentration during the week before Diwali stood at 236 micrograms per cubic metre, almost double the 120 ug/m3 recorded in 2025. It was also the highest pre-Diwali average in three years.
The transport sector is expected to be the largest contributor to pollution on Wednesday, while the impact of stubble burning is anticipated to increase on Thursday, potentially worsening air quality further over the next few days, according to Indian Institute of Tropical Meteorology models.
Air pollution in Delhi-NCR has worsened during the onset of winter (from October to mid-November) this year. This has been revealed in a new analysis by the Centre for Science and Environment or CSE, an organisation that monitors environmental issues.
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