The air quality in the national capital was categorised as "severe" on Saturday morning, with an AQI of 407 recorded at 9 am, as indicated by the Sameer app, which offers hourly updates on the national AQI provided by the Central Pollution Control Board (CPCB).
An air quality index (AQI) ranging from zero to 50 is deemed "good," from 51 to 100 "satisfactory," from 101 to 200 "moderate," from 201 to 300 "poor," from 301 to 400 "very poor," and from 401 to 500 "severe."
On Friday, the Delhi government issued a ban on private BS III petrol and BS IV diesel vehicles, restricted the entry of interstate non-electric CNG buses, halted certain types of construction activities, and implemented staggered hours for government offices due to the city suffering from 'severe'-category air pollution.
These measures were enacted under stage III of the Graded Response Action Plan (GRAP), which was announced by the Commission for Air Quality Management (CAQM) on Thursday.
Delhi experienced a minimum temperature of 15.3 degrees Celsius, which is 1.8 degrees higher than the seasonal average, according to the India Meteorological Department.
The weather department has predicted mainly clear sky with smog or shallow fog likely in the morning or night on Saturday. The maximum temperature is likely to settle around 33 degrees Celsius. The humidity at 8.30 am was 94 per cent.
Private BS III petrol and BS IV diesel vehicles were banned from roads with violations inviting a penalty of Rs 20,000. Diesel and petrol inter-state buses from the NCR cities to Delhi are also banned.
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