Air quality across New Delhi, India, deteriorated sharply between October 19 and 21, 2025, reaching “very poor” and “severe” levels at multiple monitoring stations. According to the Central Pollution Control Board (CPCB), the 24-hour average AQI rose from 296 on October 19 to 345–346 on October 20–21, prompting Stage II measures of the Graded Response Action Plan (GRAP) across the National Capital Region.
New Delhi reached an air quality index (AQI) of 495 at 10:54 LT (05:24 UTC) on Friday, November 22, 2024, the highest recorded so far this season. Earlier this week, Delhi’s AQI reached 493, placing it among the most polluted cities globally on November 18, 2024. PM 2.5 levels hit 401.1 µg/m3 exceeding the safe limits of the World Health Organisation (WHO) over 27 times.
Temperatures in India's capital Delhi dropped to 12.2 °C (53.9 °F) on Tuesday, December 17, 2019, making it its lowest maximum temperature for the month of December in the past 22 years. According to the India Meteorological Department (IMD), this was…
The air quality in Delhi deteriorated beyond the "severe" level on June 14, 2018, because of a ground-level dust storm in western India that had increased coarser particles in the air, according to data provided by Central Pollution Control Board (CPCB)….
The Indian Medical Association declared a public health emergency on Tuesday, November 7, 2017, as toxic smog engulfed Indian capital Delhi. In some areas, Air Quality Index (AQI) reached a maximum of 999 and went beyond what instruments could measure. According to…
A thick layer of hazardous smog blanketed New Delhi, India four days ago and shows no sign of loosening the grip. On November 3, 2016, between 07:00 and 09:00 (local time), Palam Observatory reported the dense smog layer has dropped the visibility to only 50 m (164…
