NEW DELHI: Delhi woke up to toxic air on Saturday, December 21, as the average Air Quality Index (AQI) in Nehru Nagar hit a concerning 434, firmly within the ‘severe’ category. PM2.5, the tiny particulate matter that poses significant health risks, was identified as the primary pollutant. The national capital region, including Noida, Gurugram, and parts of Delhi, remained shrouded in thick smog, further deteriorating visibility and air quality.
Data from 36 monitoring stations across the city painted a grim picture, with 20 stations reporting ‘severe’ air quality as of 8 a.m. Saturday. These levels indicate hazardous conditions, particularly for vulnerable groups such as children, the elderly, and those with pre-existing respiratory or heart conditions.
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Friday’s 24-hour average AQI stood at 429, also within the ‘severe’ range. Fourteen stations reported ‘Severe Plus’ levels, with AQI readings exceeding 450, while the rest recorded values between 401 and 450. Poor ventilation and low wind speeds typical of winter were cited as aggravating factors, preventing pollutants from dispersing.
The maximum temperature on Friday was recorded at 23 degrees Celsius, slightly above the seasonal average. Meanwhile, the India Meteorological Department (IMD) has forecast dense fog over the weekend, which could worsen visibility and compound air quality issues.
According to the Graded Response Action Plan (GRAP), Delhi’s air quality falls under Stage III (Severe), which includes AQI levels between 401 and 450. Under these conditions, authorities have advised residents to limit outdoor activities, especially children, senior citizens, and individuals with respiratory ailments.
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Health experts have reiterated the need to take precautionary measures, such as wearing masks, using air purifiers, and avoiding strenuous outdoor activities.
Some relief is anticipated early next week, as the IMD has predicted light to moderate rainfall on December 26. The rainfall is expected to temporarily reduce pollution levels by washing out airborne particulates.
However, with air quality remaining a chronic issue in Delhi, experts emphasize the urgent need for long-term solutions to tackle the city’s persistent pollution crisis.
