Kolkata: The last "official" fortnight of winter in Kolkata followed the trend of the 2024-25 season, making it one of the warmest winters in recent years. This year, the lowest minimum ...

Kolkata's air quality saw improvement this winter with average PM2.5 concentration dropping to 65 micrograms per cubic metre, yet the city remained the second-most polluted mega city in India ...

Bengal capital’s air quality improved marginally last year, but the city is still second most polluted among Indian metros despite fewer industries, vehicles. Experts explain the reasons, and what nee ...

The national capital remained India’s most polluted megacity by a wide margin during the 2024-25 winter with an average PM2.5 ...

Delhi continued to be India's most polluted megacity during winter 2024-25, with PM2.5 levels averaging 175 micrograms per cubic metre. Though pollution levels decreased compared to the previous year, ...

The Centre for Science and Environment's analysis reveals spiking pollution levels in six megacities, with Delhi recording 68 ...