Delhi Breathes Cleanest In A Decade As Rains Cleanse Air, Disrupt Roads

Steady rain across Delhi-NCR on Thursday brought long-awaited relief from the intense summer heat and ushered in an extraordinary drop in pollution levels, delivering the cleanest July air the city has seen in over ten years.

Data released by the Central Pollution Control Board (CPCB) shows that Air Quality Index (AQI) readings in several parts of the region dropped below 50, a level officially categorised as ‘very good’.

Frequent rainfall over the past week has played a key role in this transformation, helping to wash away dust and pollutants from the air.

But even as the showers cleared the skies, they also triggered widespread waterlogging and traffic snarls, putting pressure on city services and causing trouble for commuters.

As of 31 July, air quality monitoring stations reported remarkably low AQI readings: 28 in Alipur, 38 at Major Dhyan Chand National Stadium, 36 in Bawana, and 48 each in Narela and Nehru Nagar.

Indirapuram in Ghaziabad recorded 31, while Sectors 62 and 1 in Noida each registered 34, air cleaner than what many hill stations often record.

Forecast Predicts More Rain, Pleasant Temperatures

The India Meteorological Department (IMD) has forecast continued cloud cover and light to moderate showers across the region until 5 August.

Between 1 and 3 August, more intense rain and thunderstorms are expected, potentially extending the spell of cooler weather and cleaner air.

Temperature forecasts suggest highs between 33 and 35 degrees Celsius, with lows ranging from 24 to 26 degrees.

Humidity levels are likely to touch 95 per cent, adding a sticky edge to the otherwise pleasant conditions.

Rain that began late Wednesday night persisted through Thursday morning, with parts of central Delhi, particularly the Lutyens’ zone, experiencing off-and-on showers.

Thunderstorms and lightning are also likely to occur during the day, the IMD said. Yet, Delhi’s ageing drainage systems struggled to cope.

Key roads across the capital and its suburbs saw significant waterlogging, bringing peak-hour traffic to a crawl.

Motorists battled flooded streets, with several main routes virtually impassable in places, underscoring the city’s ongoing monsoon infrastructure woes.

Despite the disruptions, residents found comfort in the unusual freshness of the air.

With July 2025 shaping up to be the cleanest in more than a decade, Delhiites enjoyed a rare moment of environmental reprieve, a quiet but powerful reminder of the benefits of nature’s intervention.

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