open image in gallery Workers climb a ladder at the 25 metre (82ft) high smog-cleaning tower in Delhi. Scientists say measures like these towers are ineffective at tackling outdoor air pollution (AFP ...

Dense fog and severe air quality levels have caused travel chaos in India's capital Delhi. Visibility in several areas was reported to be zero in the early hours of Friday, disrupting flights ...

Image Source : PTI Visitors at the Kartavya Path near the India Gate amid smog, in New Delhi. Delhi air pollution: GRAP-4 curbs were revoked in Delhi-NCR on Thursday amid decreasing pollution levels.

Dense fog and severe air quality levels have caused travel chaos in India’s capital Delhi. Visibility in several areas was reported to be zero in the early hours of Friday, disrupting flights, trains ...