The air quality in Delhi slipped to "poor" category on Wednesday while the city's minimum temperature settled at 16.3 degrees Celsius, one notch above the season's average, according to an Indian Meteorological Department (IMD) bulletin.
Partly cloudy sky is expected during the day and the maximum temperature is expected to hover around 34 degrees Celsius, it forecast.
According to the Central Pollution Control Board (CPCB) data, the overall Air Quality Index (AQI) at 9 am stood at 202, which falls in the "poor"category.
An AQI between zero and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor", and 401 and 500 "severe".
The relative humidity at 8.30 am was 86 per cent, the IMD bulletin said.
The AQI of Delhi was recorded in the moderate (150) category around 9 am on Tuesday, showed data from the System of Air Quality and Weather Forecasting And Research (SAFAR).
In January, the Delhi government imposed a temporary ban on plying of BS-III petrol and BS-IV diesel four-wheelers in the national capital in view of the worsening air quality.
Delhi's air quality worsened to the severe category on Monday owning to unfavourable meteorological conditions -- clam winds and low temperatures -- prompting the Commission for Air Quality Management (CAQM) to direct all NCR states to implement anti-pollution curbs with greater vigour.
According to an order issued, "As per directions as provided under Stage III of the revised GRAP and under Section 115 of Motor Vehicles Act, 1988, it is hereby ordered that there shall be restrictions to ply BS-III, Petrol and BS-IV, Diesel LMVs (4-wheelers) in NCT of Delhi, with immediate effect, till dated 12.01.2023 or till downward revision in GRAP stage, whichever is earlier (except for vehicles deployed in emergency services, police vehicles & govt. vehicles used for enforcement)."
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