48-hour miracle: How Delhi just did something it hasn't done in 3 years
Delhi experienced its cleanest air day in nearly three years, with the Air Quality Index dropping to 48 following heavy monsoon rains. Experts note that while weather conditions can provide temporary relief, long-term pollution management remains a significant challenge for the city.
Why it matters
It highlights the impact of climate and weather patterns on urban public health and the limitations of natural 'washout' effects in solving chronic pollution.
Thursday offered a rare sight for a city that spends much of the year battling hazardous air pollution, and a rarer statistic. Delhi’s air quality slipped into the “good” category for the first time in nearly three years, giving residents a fleeting sense of what it actually feels like to breathe clean air.The continuous monsoon rains washed the pollutants away from the atmosphere and the Air Quality Index (AQI) in the national capital came down to 48 from 59 a day earlier. An AQI between 0 and 50 is classified as “good” by the Central Pollution Control Board (CPCB), the cleanest category on India’s air quality scale. It may be a small numeric change but crossing the barrier from 51 to 48 is symbolically significant for Delhi.
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