New Delhi: Delhi has recorded its poorest February air quality in three years, with the typical Air Quality Index (AQI) at 234 until February 26, in response to an evaluation by the Centre for Analysis on Vitality and Clear Air (CREA).
The info confirmed that February 2026 has been the worst since 2023, when the month-to-month common AQI stood at 237.
As compared, the typical February AQI was 218 in 2024 and 214 in 2025, whereas in 2022 it was 225.
When it comes to day by day air quality classes, the capital witnessed 20 ‘poor’ air quality days and two ‘very poor’ air days this February, whereas 4 days fell in the ‘reasonable’ class.
In accordance with the Central Air pollution Management Board (CPCB), an AQI between zero and 50 is assessed as ‘good’, 51 to 100 as ‘passable’, 101 to 200 ‘reasonable’, 201 to 300 ‘poor’, 301 to 400 ‘very poor’, and 401 to 500 ‘extreme’.
Information from the SAMEER app’s AQI calendar indicated that ozone was probably the most distinguished pollutant for many of the month, rising because the main pollutant on 21 out of 27 days.
PM10 was dominant on 4 days, whereas nitrogen dioxide emerged on high on someday.
The very best AQI of the month was recorded on February 4 at 339, in the ‘very poor’ class, with ozone recognized as the first pollutant.
Consultants attributed the dominance of ozone to its nature as a secondary pollutant shaped when nitrogen oxides and different gases react in the presence of daylight.
The Indian normal for ozone is ready at 100 micrograms per cubic metre as an eight-hour common, as prescribed in the World Well being Group guideline.
Publicity at or above this stage may cause chest tightness, throat irritation, coughing and issue in respiration. It could additionally cut back lung operate and inflame the airways, significantly affecting individuals with bronchial asthma and different respiratory circumstances.
On Friday, the 24-hour common AQI stood at 200, inserting it in the ‘reasonable’ class.
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