New Delhi, Jan 7 (PTI) The air quality in the city was back in the 'very poor' category on Wednesday with an AQI reading of 336, according to data from the Central Pollution Control Board's Sameer app.
Station-wise data showed that Nehru Nagar recorded the worst air quality at 360 in the 'very poor' category. While 21 stations logged 'very poor' air quality, 14 stations were in the 'poor' category and two stations recorded 'moderate' air quality.
The city recorded poor air quality on Tuesday.
According to the CPCB classification, an AQI between 0 and 50 is considered 'good', 51 to 100 'satisfactory', 101 to 200 'moderate', 201 to 300 'poor', 301 to 400 'very poor' and 401 to 500 'severe'.
The India Meteorological Department (IMD) has issued a yellow alert for dense fog during morning and forenoon. It has also forecasted a cold day.
A yellow alert is an early warning signal showing that severe weather conditions are to be expected and may affect day-to-day activities.
On Tuesday, Delhi recorded its first cold day this year and the weather office forecasted that the conditions may persist on Wednesday. Cold day conditions are when the maximum temperatures fall about 4.5 to 6.5 notches below normal
The minimum temperature was recorded at 8.6 degrees Celsius, 1.7 notches above the seasonal average during the morning hours.
The maximum temperature in the national capital is expected to settle around 15 degrees Celsius.
Relative humidity levels were observed at 95 per cent in parts of the city during the morning hours, the India Meteorological Department said.
Station-wise data showed that Safdarjung recorded a minimum temperature of 8.6 degrees Celsius, followed by Lodhi Road at 7.7 degrees, the Ridge at 7.5 degrees, Ayanagar at 8 degrees and Palam at 7.1 degrees Celsius. PTI SSJ
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