However, this was not the first time, the mausoleum of white marble was hidden amid the pollutants. The city's air quality level has reeled under the poor category since November 4 and was recorded at an overall air quality index of 256 this afternoon
As per AQI.IN, the air quality in Agra was recorded as 163, in Aligarh it was at 172, 154 in Bareilly and 170 in Bulandshahr, all in the 'poor category zone'. The air dropped to the 'severe category' in Ghaziabad and Hapur with an AQI of 352 while it remained in the 'unhealthy category' in Meerut and Muzzafarnagar with an aqi of 289 and 213
Built-in Agra between 1631 and 1648 by order of the Mughal emperor Shah Jahan in memory of his favourite wife, the Taj Mahal is a jewel of Muslim art in India and one of the universally admired masterpieces of the world's heritage
Air pollution levels can be high during the winter months for a number of reasons, including dust and vehicular pollution, dry-cold weather, stubble burning, burning crop residues after the harvest season and commuting
Cold air is denser and moves slower than warm air, so it traps pollution and doesn't whisk it away. This means that air pollution in winter remains in place for much longer than during the summer. Taj Mahal's marble is discoloured by airborne particulate matter, which is made up of black carbon, light-absorbing brown carbon, and dust
The current concentration of PM2.5 in Uttar Pradesh is 130 (ug/m3). The World Health Organisation (WHO) recommends 15 ug/m3 as the threshold concentration of PM2.5 for 24 hours. Currently, the concentration is 5.20 times the recommended limit
Meanwhile, the overall air quality in the National Capital continued to be in the 'severe' category for the fifth straight day, as per the Central Pollution Control Board
According to the data issued by the System of Air Quality Forecasting and Research (SAFAR-India), the air quality in the National Capital was recorded at 488, up from 410 a day ago
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