Emergency in the air as Delhi-NCR experience most polluted day in 2 years

In four of 38 monitoring stations, the AQI readings topped out at 500 — the highest level that can be recorded. It was on November 9, 2017, when the AQI last crossed the level seen on Friday, having settled then at 486.

from Hindustan Times - delhi https://ift.tt/2qd68vA