Patna, Ghaziabad Most Contaminated; India, Sweden Tackling Stubble Burning

The air quality across many parts of Delhi-NCR has fallen to "bad" and "very low" rates on Monday after a brief five-day respite. According to the daily Air Quality Index (AQI) bulletin of the Central Pollution Control Board (CPCB), Ghaziabad reported high levels of pollution with a 24-hour average AQI of 325 — falling into the' very low' category.

Also, other parts of Delhi NCR, including Delhi, Noi....