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Patna second most polluted city in the country. First is...
Delhi air quality nears severe zone
Delhi's air quality 'severe' again
Air pollution in Delhi drops from 'severe' to 'very poor'
People across India revel in Diwali; Delhi sees best air quality in last eight years
Delhi may see best Diwali day air quality in 8 years if firecracker ban works
Overnight rain in Delhi brings relief from hazardous air quality
Overnight rain in Delhi brings relief from hazardous air quality
Delhi's pollution crisis: Marginal dip in levels as haze persists, health concerns rise
Ban on firecrackers containing barium not limited to Delhi-NCR but binds every state: SC
Delhi's air quality hits 'severe plus' category emergency measures awaited
Delhi's air quality poor for fifth day in row, to worsen in days ahead
Delhi govt identifies 8 more pollution hotspots; will use dust suppressants: Gopal Rai
Telangana: Protest against ethanol plant turns violent, 2 cops hurt; police vehicle torched
Exposure to air pollution linked with lower birth weight in babies: Study
Microplastics found to induce dementia-like behaviours in mice
El Nino can be detrimental to our health
Plastic recycling is failing – here’s how the world must respond
Too many smelly candles? Here’s how scents impact the air quality in your home
Green hydrogen: why low-carbon fuels are not benefiting from high fossil fuel prices