AQI, Delhi

The introduction of Stage 3 in the Graded Response Action Plan (GRAP) includes specific limitations to reduce air pollution, ...
Delhi NCR is implementing GRAP Stage 3 due to severe air quality, halting non-essential construction and restricting vehicle ...
As Delhi’s overall 24-hour average air quality index (AQI) reading stood at 424 (severe), CAQM imposed stringent ...