The air quality in Delhi has once again deteriorated. Due to these increased pollution levels, Delhi-NCR has initiated GRAP-3. The GRAP for Delhi-NCR is divided into four stages of air quality:
- Stage 1 for “poor” Air Quality Index (AQI) ranging between 201 and 300
- Stage 2 for “very poor” AQI of 301-400
- Stage 3 for “severe” AQI of 401-450
- Stage 4 for “severe plus” AQI (more than 450).
Key Restrictions Under GRAP-3
With this order, schools up to class 5 in the Delhi-NCR region will switch to hybrid mode. To eliminate dust around the city, authorities have placed automated water sprinklers and road sweepers. Furthermore, diesel generators are only to be utilised in an emergency because they are another major source of pollution.
Impact of Pollution on Health
The purpose of these measures is to minimise the amount of dangerous pollutants in the air, particularly particulate matter, which is a serious health risk for children, the elderly, and those with respiratory problems.
Read more: Rising Pollution: Karachi and Lahore Make List of World’s Most Polluted Cities
Delhi’s Cold Wave Makes Things Worse
The ongoing cold wave in Delhi is increasing pollution, as stagnant, cold air, is confining pollutants to the ground, preventing them from dispersing. Furthermore, even though temperatures are predicted to slightly increase to about 23°C, the chilly weather is predicted to last, making pollution control more complicated.
As the city suffers from poor air quality and chilly weather, the implementation of GRAP-3 is an important step to protect public health. Authorities are also urging citizens to limit outdoor activities and to take precautions.
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